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Question 1
Incorrect
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A 28-year-old woman presents at 16 weeks’ gestation, requesting an abortion. Her relationship has ended; she has moved back in with her parents, and her anxiety has worsened. She feels overwhelmed and states that, at this point, she cannot handle a baby. She has undergone a comprehensive consultation, and her decision remains the same.
What is the most suitable course of action for managing this patient?Your Answer: No management required at present; reassess the patient in two weeks to allow her time to change her mind
Correct Answer: Surgical evacuation of products of conception
Explanation:Management Options for Termination of Pregnancy at 16 Weeks’ Gestation
Termination of pregnancy at 16 weeks’ gestation can be managed through surgical evacuation of the products of conception or medical management using oral mifepristone followed by vaginal misoprostol. The decision ultimately lies with the patient, and it is important to explain the potential risks and complications associated with each option.
Surgical Evacuation of Products of Conception
This procedure involves vacuum aspiration before 14 weeks’ gestation or dilation of the cervix and evacuation of the uterine cavity after 14 weeks. Common side-effects include infection, bleeding, cervical trauma, and perforation of the uterus. It is important to inform the patient that the procedure may need to be repeated if the uterus is not emptied completely.No Management Required at Present
While termination of pregnancy is legal in the UK until 24 weeks’ gestation, it is the patient’s right to make the decision. However, if the patient is unsure, it may be appropriate to reassess in two weeks.Oral Mifepristone
Mifepristone is an anti-progesterone medication that is used in combination with misoprostol to induce termination of pregnancy. It is not effective as monotherapy.Oral Mifepristone Followed by Vaginal Misoprostol as an Outpatient
This is the standard medication regime for medical termination of pregnancy. However, after 14 weeks’ gestation, it is recommended that the procedure be performed in a medical setting for appropriate monitoring.Vaginal Misoprostol
Vaginal misoprostol can be used in conjunction with mifepristone for medical termination of pregnancy or as monotherapy in medical management of miscarriage or induction of labour. -
This question is part of the following fields:
- Obstetrics
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Question 2
Correct
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A 29-year-old woman on day one postpartum who is breastfeeding is concerned about the safety of her pain medication. When you arrive, you find that the patient was prescribed acetaminophen for pain relief, but when she was offered this, she told the midwife it cannot be used as it can have detrimental effects for her baby. She wants to know if there are any other options. You explain that acetaminophen is safe to use while breastfeeding. Which of the following analgesics is another safe first line treatment to use in women who are breastfeeding?
Your Answer: Paracetamol
Explanation:Safe Pain Relief Options for Breastfeeding Mothers: A Guide to Medications
Breastfeeding mothers often experience pain and discomfort, and it is important to know which pain relief options are safe to use while nursing. Paracetamol and ibuprofen are considered safe and can be used as first-line medication for analgesia. Codeine and other opiates can be used sparingly as third-line medication, but caution must be taken as some women may be slow metabolizers and it can cause drowsiness and respiratory depression in the infant. Aspirin is contraindicated due to the risk of Reye’s disease and other side-effects. Naproxen is generally safe, but paracetamol and ibuprofen should be the mainstay of analgesia. Tramadol can be used with caution and should be prescribed by a specialist. It is important to advise the woman on the safe use of medication and to monitor for any signs of toxicity in the infant.
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This question is part of the following fields:
- Obstetrics
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Question 3
Incorrect
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A 32-year-old woman who is at 16 weeks gestation attends her antenatal appointment and is given the option to undergo the quadruple test for chromosomal disorders. After consenting, she has a blood test and is later informed that the results indicate a higher likelihood of Down's syndrome in the fetus. The patient is now invited to discuss the next course of action. What is the probable outcome of the quadruple test?
Your Answer: Increased AFP, increased oestriol, increased hCG, increased inhibin A
Correct Answer: Decreased AFP, decreased oestriol, increased hCG, increased inhibin A
Explanation:The correct result for the quadruple test in a patient with Down’s syndrome is a decrease in AFP and oestriol, and an increase in hCG and inhibin A. This test is recommended by NICE for pregnant patients between 15-20 weeks gestation. If the screening test shows an increased risk, further diagnostic tests such as NIPT, amniocentesis, or chorionic villous sampling may be offered to confirm the diagnosis. It is important to note that a pattern of decreased AFP, decreased oestriol, decreased hCG, and normal inhibin A is suggestive of an increased risk of Edward’s syndrome. Increased AFP, increased oestriol, decreased hCG, and decreased inhibin A or any other combination of abnormal results may not be indicative of Down’s syndrome.
NICE updated guidelines on antenatal care in 2021, recommending the combined test for screening for Down’s syndrome between 11-13+6 weeks. The test includes nuchal translucency measurement, serum B-HCG, and pregnancy-associated plasma protein A (PAPP-A). The quadruple test is offered between 15-20 weeks for women who book later in pregnancy. Results are interpreted as either a ‘lower chance’ or ‘higher chance’ of chromosomal abnormalities. If a woman receives a ‘higher chance’ result, she may be offered a non-invasive prenatal screening test (NIPT) or a diagnostic test. NIPT analyzes cell-free fetal DNA in the mother’s blood and has high sensitivity and specificity for detecting chromosomal abnormalities. Private companies offer NIPT screening from 10 weeks gestation.
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This question is part of the following fields:
- Obstetrics
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Question 4
Incorrect
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A 29-year-old woman who is 20-weeks pregnant comes to the emergency department after noticing a vesicular rash on her torso this morning. Upon further questioning, you discover that her 5-year-old daughter developed chickenpox last week and the patient cannot recall if she has had the condition before. She seems at ease while resting.
Serological testing for varicella zoster virus reveals the following results:
Varicella IgM Positive
Varicella IgG Negative
What is the most suitable course of action?Your Answer: IV acyclovir
Correct Answer: Oral acyclovir
Explanation:Chickenpox exposure in pregnancy can pose risks to both the mother and fetus, including fetal varicella syndrome. Post-exposure prophylaxis (PEP) with varicella-zoster immunoglobulin (VZIG) or antivirals should be given to non-immune pregnant women, with timing dependent on gestational age. If a pregnant woman develops chickenpox, specialist advice should be sought and oral acyclovir may be given if she is ≥ 20 weeks and presents within 24 hours of onset of the rash.
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This question is part of the following fields:
- Obstetrics
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Question 5
Incorrect
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A 28-year-old female presents to the Early Pregnancy Unit with vaginal bleeding and an unknown gestational age. She reports no pain and is stable. This is her first pregnancy. An ultrasound reveals a tubal pregnancy with a visible fetal heartbeat and an unruptured adnexal mass measuring 40mm. Her beta-hCG level is 5,200 IU/L. What is the initial management plan for this patient?
Your Answer:
Correct Answer: Surgical - laparoscopic salpingectomy
Explanation:Surgical management is recommended for all ectopic pregnancies that are larger than 35mm or have a serum B-hCG level greater than 5,000 IU/L.
Ectopic pregnancy is a serious condition that requires prompt investigation and management. Women who are stable are typically investigated and managed in an early pregnancy assessment unit, while those who are unstable should be referred to the emergency department. The investigation of choice for ectopic pregnancy is a transvaginal ultrasound, which will confirm the presence of a positive pregnancy test.
There are three ways to manage ectopic pregnancies: expectant management, medical management, and surgical management. The choice of management will depend on various criteria, such as the size of the ectopic pregnancy, whether it is ruptured or not, and the patient’s symptoms and hCG levels. Expectant management involves closely monitoring the patient over 48 hours, while medical management involves giving the patient methotrexate and requires follow-up. Surgical management can involve salpingectomy or salpingostomy, depending on the patient’s risk factors for infertility.
Salpingectomy is the first-line treatment for women without other risk factors for infertility, while salpingostomy should be considered for women with contralateral tube damage. However, around 1 in 5 women who undergo a salpingostomy require further treatment, such as methotrexate and/or a salpingectomy. It is important to carefully consider the patient’s individual circumstances and make a decision that will provide the best possible outcome.
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This question is part of the following fields:
- Obstetrics
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Question 6
Incorrect
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A 32-year-old teacher with type II diabetes is 5-months pregnant with her first child. Following reviewing the patient in prenatal clinic, you are interested to find out more about stages of fetal development.
During the fifth (gestational) month of human development, which organ is the most active site of formation of formed elements of the blood?Your Answer:
Correct Answer: Bone marrow
Explanation:The Sites of Haematopoiesis in the Fetus and Adult
Haematopoiesis, the process of blood cell formation, occurs in various sites throughout fetal development and in adults. The dominant site of haematopoiesis changes as the fetus develops and bones are formed. Here are the different sites of haematopoiesis and their significance:
Bone Marrow: From four months into childhood and adulthood, bone marrow becomes the primary source of hematopoiesis. Red blood cells and immune effector cells are derived from pluripotent haematopoietic cells, which are first noted in blood islands of the yolk sac. By 20 weeks, almost all of these cells are produced by the bone marrow.
Yolk Sac: Haematopoiesis begins in the yolk sac and in angiogenic cell clusters throughout the embryonic body. This involves the formation of nucleated red blood cells, which differentiate from endothelial cells in the walls of blood vessels. Yolk sac haematopoiesis peaks at about one month and becomes insignificant by three months.
Liver: By the sixth week, the fetal liver performs haematopoiesis. This peaks at 12-16 weeks and continues until approximately 36 weeks. Haematopoietic stem cells differentiate in the walls of liver sinusoids. In adults, there is a reserve haematopoietic capacity, especially in the liver.
Spleen: The spleen is a minor site of haematopoiesis, being active between the third and sixth months.
Lymph Nodes: Lymph nodes are not a significant site of haematopoiesis.
In patients with certain conditions, such as haemolytic anaemia or myeloproliferative disease, hepatic haematopoiesis may be reactivated, leading to hepatomegaly. Understanding the different sites of haematopoiesis is important for understanding blood cell formation and certain medical conditions.
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This question is part of the following fields:
- Obstetrics
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Question 7
Incorrect
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A 30-year-old primigravida gives birth to her male infant at 40+1 weeks via ventouse-assisted vaginal delivery. The estimated blood loss is 650ml and her uterus is well contracted. An episiotomy was performed during delivery, and a tear involving perineal skin and muscle with less than 50% damage to the external anal sphincter is found on postpartum vaginal examination. What is the best course of action for this patient?
Your Answer:
Correct Answer: Perineal tear repair in theatre
Explanation:Repair of third degree perineal tears should be carried out in a theatre by a clinician who has received appropriate training. This is because category 3 and 4 tears pose a risk of infection and have a significant impact on the patient’s health. Poor healing of perineal wounds can lead to faecal incontinence, which is a potential complication of grade 3 and 4 tears. It is advisable to pack the perineal wound for haemostasis before repairing the tear, as this will help achieve better haemostasis with sutures. Healing of perineal tears by secondary intent is not recommended, as it can result in poor healing, infection, and faecal incontinence. Additionally, the vascular nature of the perineum and anus increases the likelihood of ongoing haemorrhage if the wound is not healed. In cases of category 1 and 2 tears (involving the skin only or skin and perineal muscle), perineal tear repair can be performed immediately on the maternity ward if the clinician feels comfortable and there is adequate lighting.
Perineal tears are a common occurrence during childbirth, and the Royal College of Obstetricians and Gynaecologists (RCOG) has developed guidelines to classify them based on their severity. First-degree tears are superficial and do not require any repair, while second-degree tears involve the perineal muscle and require suturing by a midwife or clinician. Third-degree tears involve the anal sphincter complex and require repair in theatre by a trained clinician, with subcategories based on the extent of the tear. Fourth-degree tears involve the anal sphincter complex and rectal mucosa and also require repair in theatre by a trained clinician.
There are several risk factors for perineal tears, including being a first-time mother, having a large baby, experiencing a precipitant labour, and having a shoulder dystocia or forceps delivery. It is important for healthcare providers to be aware of these risk factors and to provide appropriate care and management during childbirth to minimize the risk of perineal tears. By following the RCOG guidelines and providing timely and effective treatment, healthcare providers can help ensure the best possible outcomes for both mother and baby.
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This question is part of the following fields:
- Obstetrics
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Question 8
Incorrect
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A 28-year-old female patient presents to the clinic at 36 weeks of pregnancy. She reports a decrease in fetal movement over the past few days and is concerned. She has no significant medical history or family history and has had two uncomplicated pregnancies in the past. Physical examination is normal, and vital signs are stable. A handheld Doppler scan reveals no fetal heartbeat.
What is the next course of action in managing this patient?Your Answer:
Correct Answer: Ultrasound scan
Explanation:If a woman reports reduced fetal movements and no heartbeat is detected with a handheld Doppler after 28 weeks of gestation, an immediate ultrasound should be offered according to RCOG guidelines. Repeating Doppler after an hour is not recommended. If a heartbeat is detected, cardiotocography should be used to monitor the heart rate for at least 20 minutes. Fetal blood sampling is not necessary in this situation.
Understanding Reduced Fetal Movements
Introduction:
Reduced fetal movements can indicate fetal distress and are a response to chronic hypoxia in utero. This can lead to stillbirth and fetal growth restriction. It is believed that placental insufficiency may also be linked to reduced fetal movements.Physiology:
Quickening is the first onset of fetal movements, which usually occurs between 18-20 weeks gestation and increases until 32 weeks gestation. Multiparous women may experience fetal movements sooner. Fetal movements should not reduce towards the end of pregnancy. There is no established definition for what constitutes reduced fetal movements, but less than 10 movements within 2 hours (in pregnancies past 28 weeks gestation) is an indication for further assessment.Epidemiology:
Reduced fetal movements affect up to 15% of pregnancies, with 3-5% of pregnant women having recurrent presentations with RFM. Fetal movements should be established by 24 weeks gestation.Risk factors for reduced fetal movements:
Posture, distraction, placental position, medication, fetal position, body habitus, amniotic fluid volume, and fetal size can all affect fetal movement awareness.Investigations:
Fetal movements are usually based on maternal perception, but can also be objectively assessed using handheld Doppler or ultrasonography. Investigations are dependent on gestation at onset of RFM. If concern remains, despite normal CTG, urgent (within 24 hours) ultrasound can be used.Prognosis:
Reduced fetal movements can represent fetal distress, but in 70% of pregnancies with a single episode of reduced fetal movement, there is no onward complication. However, between 40-55% of women who suffer from stillbirth experience reduced fetal movements prior to diagnosis. Recurrent RFM requires further investigations to consider structural or genetic fetal abnormalities. -
This question is part of the following fields:
- Obstetrics
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Question 9
Incorrect
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A 26-year-old woman who is 25 weeks pregnant with her second child is scheduled for a blood glucose check at the antenatal clinic due to her history of gestational diabetes during her first pregnancy. After undergoing the oral glucose tolerance test, her fasting glucose level is found to be 7.2mmol/L and her 2hr glucose level is 8 mmol/L. What is the best course of action for management?
Your Answer:
Correct Answer: Insulin
Explanation:The correct answer for the management of gestational diabetes is insulin. If the fasting glucose level is equal to or greater than 7 mmol/L at the time of diagnosis, insulin should be initiated. Diet and exercise/lifestyle advice alone is not sufficient for managing gestational diabetes and medication is necessary. Empagliflozin and glibenclamide are not appropriate treatments for gestational diabetes. Glibenclamide may only be considered if the patient has declined insulin.
Gestational diabetes is a common medical disorder affecting around 4% of pregnancies. Risk factors include a high BMI, previous gestational diabetes, and family history of diabetes. Screening is done through an oral glucose tolerance test, and diagnostic thresholds have recently been updated. Management includes self-monitoring of blood glucose, diet and exercise advice, and medication if necessary. For pre-existing diabetes, weight loss and insulin are recommended, and tight glycemic control is important. Targets for self-monitoring include fasting glucose of 5.3 mmol/l and 1-2 hour post-meal glucose levels.
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This question is part of the following fields:
- Obstetrics
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Question 10
Incorrect
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A 27-year-old primigravida woman presents to the maternity centre in labour at 39 weeks. She has been diagnosed with HIV and has been on regular antiretroviral therapy. Her viral load at 37 weeks is as follows:
HIV Viral Load 35 RNA copies/mL (0-50)
What delivery plan would be most suitable for this patient?Your Answer:
Correct Answer: Continue with normal vaginal delivery
Explanation:If a pregnant woman has a viral load of less than 50 copies/mL at 36 weeks, vaginal delivery is recommended. Therefore, in this case, the correct answer is to proceed with vaginal delivery. It is not necessary to prepare for a caesarian section as the pregnancy is considered safe without surgical intervention. Re-testing the HIV viral load is not necessary as the current recommendation is to test at 36 weeks. Starting antiretroviral infusion during vaginal delivery is also not necessary as the woman is already on regular therapy and has an undetectable viral load. Antiretroviral infusion is typically used during a caesarean section when the viral load is greater than 50 copies/mL.
HIV and Pregnancy: Guidelines for Minimizing Vertical Transmission
With the increasing prevalence of HIV infection among heterosexual individuals, there has been a rise in the number of HIV-positive women giving birth in the UK. In fact, in London alone, the incidence may be as high as 0.4% of pregnant women. The primary goal of treating HIV-positive women during pregnancy is to minimize harm to both the mother and fetus, and to reduce the chance of vertical transmission.
To achieve this goal, various factors must be considered. Firstly, all pregnant women should be offered HIV screening, according to NICE guidelines. Additionally, antiretroviral therapy should be offered to all pregnant women, regardless of whether they were taking it previously. This therapy has been shown to significantly reduce vertical transmission rates, which can range from 25-30% to just 2%.
The mode of delivery is also an important consideration. Vaginal delivery is recommended if the viral load is less than 50 copies/ml at 36 weeks. If the viral load is higher, a caesarean section is recommended, and a zidovudine infusion should be started four hours before the procedure. Neonatal antiretroviral therapy is also typically administered to the newborn, with zidovudine being the preferred medication if the maternal viral load is less than 50 copies/ml. If the viral load is higher, triple ART should be used, and therapy should be continued for 4-6 weeks.
Finally, infant feeding is an important consideration. In the UK, all women should be advised not to breastfeed, as this can increase the risk of vertical transmission. By following these guidelines, healthcare providers can help to minimize the risk of vertical transmission and ensure the best possible outcomes for both mother and child.
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This question is part of the following fields:
- Obstetrics
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Question 11
Incorrect
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A 34-year-old multiparous patient has an uncomplicated delivery at 39 weeks gestation. One hour following delivery, the patient experiences severe postpartum hemorrhage that is immediately managed in the labor ward. After seven weeks, the patient reports difficulty breastfeeding due to insufficient milk production. What is the most probable explanation for this medical history?
Your Answer:
Correct Answer: Sheehan's syndrome
Explanation:Based on the clinical history provided, it appears that the patient may be suffering from Sheehan’s syndrome. This condition is typically caused by severe postpartum hemorrhage, which can lead to ischemic necrosis of the pituitary gland and subsequent hypopituitarism. Common symptoms of Sheehan’s syndrome include a lack of milk production and amenorrhea following childbirth. Diagnosis is typically made through inadequate prolactin and gonadotropin stimulation tests in patients with a history of severe postpartum hemorrhage. It is important to note that hyperprolactinemia, D2 receptor antagonist medication, and pituitary adenoma are not typically associated with a lack of milk production, but rather with galactorrhea.
Understanding Postpartum Haemorrhage
Postpartum haemorrhage (PPH) is a condition where a woman experiences blood loss of more than 500 ml after giving birth vaginally. It can be classified as primary or secondary. Primary PPH occurs within 24 hours after delivery and is caused by the 4 Ts: tone, trauma, tissue, and thrombin. The most common cause is uterine atony. Risk factors for primary PPH include previous PPH, prolonged labour, pre-eclampsia, increased maternal age, emergency Caesarean section, and placenta praevia.
In managing PPH, it is important to involve senior staff immediately and follow the ABC approach. This includes two peripheral cannulae, lying the woman flat, blood tests, and commencing a warmed crystalloid infusion. Mechanical interventions such as rubbing up the fundus and catheterisation are also done. Medical interventions include IV oxytocin, ergometrine, carboprost, and misoprostol. Surgical options such as intrauterine balloon tamponade, B-Lynch suture, ligation of uterine arteries, and hysterectomy may be considered if medical options fail to control the bleeding.
Secondary PPH occurs between 24 hours to 6 weeks after delivery and is typically due to retained placental tissue or endometritis. It is important to understand the causes and risk factors of PPH to prevent and manage this life-threatening emergency effectively.
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This question is part of the following fields:
- Obstetrics
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Question 12
Incorrect
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A 32-year-old woman gives birth to her second child. The baby is born via normal vaginal delivery and weighs 3.8 kg. The baby has a normal Newborn and Infant Physical Examination (NIPE) after birth and the mother recovers well following the delivery. The mother wishes to breastfeed her baby and is supported to do so by the midwives on the ward.
They are visited at home by the health visitor two weeks later. The health visitor asks how they have been getting on and the mother explains that she has been experiencing problems with breastfeeding and that her baby often struggles to latch on to her breast. She explains that this has made her very anxious that she is doing something wrong and has made her feel like she is failing as a mother. When her baby does manage to latch on to feed he occasionally gets reflux and vomits afterward. The health visitor weighs the baby who is now 3.4kg.
What is the next most appropriate step?Your Answer:
Correct Answer: Refer her to a midwife-led breastfeeding clinic
Explanation:If a baby loses more than 10% of its birth weight, it is necessary to refer the mother and baby to a midwife for assistance in increasing the baby’s weight.
Breastfeeding Problems and Their Management
Breastfeeding is a natural process, but it can come with its own set of challenges. Some of the minor problems that breastfeeding mothers may encounter include frequent feeding, nipple pain, blocked ducts, and nipple candidiasis. These issues can be managed by seeking advice on proper positioning, trying breast massage, and using appropriate medication.
Mastitis is a more serious problem that affects around 1 in 10 breastfeeding women. It is characterized by symptoms such as fever, nipple fissure, and persistent pain. Treatment involves the use of antibiotics, such as flucloxacillin, for 10-14 days. Breastfeeding or expressing milk should continue during treatment to prevent complications such as breast abscess.
Breast engorgement is another common problem that causes breast pain in breastfeeding women. It occurs in the first few days after birth and affects both breasts. Hand expression of milk can help relieve the discomfort of engorgement. Raynaud’s disease of the nipple is a less common problem that causes nipple pain and blanching. Treatment involves minimizing exposure to cold, using heat packs, and avoiding caffeine and smoking.
If a breastfed baby loses more than 10% of their birth weight in the first week of life, it may be a sign of poor weight gain. This should prompt consideration of the above breastfeeding problems and an expert review of feeding. Monitoring of weight should continue until weight gain is satisfactory.
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This question is part of the following fields:
- Obstetrics
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Question 13
Incorrect
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A 28-year-old woman presents to the antenatal clinic for a routine visit and is found to have a blood pressure of 165/111 mmHg and ++proteinuria on urinalysis. Her doctor suspects pre-eclampsia and admits her to the obstetrics assessment unit. She has recently moved to the area and her medical records are not available. She is otherwise healthy and only uses blue and brown inhalers for her asthma, for which she recently completed a 5-day course of steroids after being hospitalized for a severe exacerbation. What medication should be used to manage her hypertension?
Your Answer:
Correct Answer: Nifedipine
Explanation:Nifedipine is the recommended initial treatment for pre-eclampsia in women with severe asthma. The patient’s medical history indicates that she has severe asthma, making beta blockers like Labetalol unsuitable for her. Additionally, the use of Ramipril during pregnancy has been associated with a higher incidence of birth defects in infants.
Pre-eclampsia is a condition that occurs during pregnancy and is characterized by high blood pressure, proteinuria, and edema. It can lead to complications such as eclampsia, neurological issues, fetal growth problems, liver involvement, and cardiac failure. Severe pre-eclampsia is marked by hypertension, proteinuria, headache, visual disturbances, and other symptoms. Risk factors for pre-eclampsia include hypertension in a previous pregnancy, chronic kidney disease, autoimmune disease, diabetes, chronic hypertension, first pregnancy, and age over 40. Aspirin may be recommended for women with high or moderate risk factors. Treatment involves emergency assessment, admission for observation, and medication such as labetalol, nifedipine, or hydralazine. Delivery of the baby is the most important step in management, with timing depending on the individual case.
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This question is part of the following fields:
- Obstetrics
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Question 14
Incorrect
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A 22-year-old woman who is 26 weeks pregnant comes to the emergency department complaining of severe headache and epigastric pain that has been worsening for the past 48 hours. Upon examination, she has a heart rate of 110 beats/min, a respiratory rate of 21 /min, a temperature of 36.8ºC, mild pitting oedema of the ankles, and brisk tendon reflexes. As pre-eclampsia is the likely diagnosis, what is the most crucial sign to look for?
Your Answer:
Correct Answer: Brisk tendon reflexes
Explanation:Brisk reflexes are a specific clinical sign commonly linked to pre-eclampsia, unlike the other answers which are more general.
Pre-eclampsia is a condition that occurs during pregnancy and is characterized by high blood pressure, proteinuria, and edema. It can lead to complications such as eclampsia, neurological issues, fetal growth problems, liver involvement, and cardiac failure. Severe pre-eclampsia is marked by hypertension, proteinuria, headache, visual disturbances, and other symptoms. Risk factors for pre-eclampsia include hypertension in a previous pregnancy, chronic kidney disease, autoimmune disease, diabetes, chronic hypertension, first pregnancy, and age over 40. Aspirin may be recommended for women with high or moderate risk factors. Treatment involves emergency assessment, admission for observation, and medication such as labetalol, nifedipine, or hydralazine. Delivery of the baby is the most important step in management, with timing depending on the individual case.
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This question is part of the following fields:
- Obstetrics
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Question 15
Incorrect
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Lila, a 30-year-old pregnant woman, (gravidity 1, parity 0) currently 27+5, visits her general practitioner (GP) complaining of reflux. The GP prescribes a new medication for her reflux. Upon reviewing Lila's medical records, the GP notes that she is scheduled for a cervical smear test in two weeks. Lila reports no new discharge, bleeding, or pain. What is the recommended timing for Lila's next cervical smear test?
Your Answer:
Correct Answer: 3 months post-partum
Explanation:Cervical screening is typically postponed during pregnancy until…
Cervical Cancer Screening in the UK
Cervical cancer screening is a well-established program in the UK that aims to detect pre-malignant changes in the cervix. This program is estimated to prevent 1,000-4,000 deaths per year. However, it should be noted that around 15% of cervical adenocarcinomas are frequently undetected by screening.
The screening program has evolved significantly in recent years. Initially, smears were examined for signs of dyskaryosis, which may indicate cervical intraepithelial neoplasia. However, the introduction of HPV testing allowed for further risk stratification, and the NHS has now moved to an HPV first system. This means that a sample is tested for high-risk strains of human papillomavirus (hrHPV) first, and cytological examination is only performed if this is positive.
All women between the ages of 25-64 years are offered a smear test. Women aged 25-49 years are screened every three years, while those aged 50-64 years are screened every five years. However, cervical screening cannot be offered to women over 64. In Scotland, screening is offered from 25-64 every five years.
In special situations, cervical screening in pregnancy is usually delayed until three months post-partum, unless there are missed screenings or previous abnormal smears. Women who have never been sexually active have a very low risk of developing cervical cancer and may wish to opt-out of screening.
It is recommended to take a cervical smear around mid-cycle, although there is limited evidence to support this advice. Overall, the UK’s cervical cancer screening program is an essential tool in preventing cervical cancer and promoting women’s health.
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This question is part of the following fields:
- Obstetrics
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Question 16
Incorrect
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A 40-year-old pregnant woman is confused about why she has been advised to undergo an oral glucose tolerance test. She has had four previous pregnancies, and her babies' birth weights have ranged from 3.4-4.6kg. She has no history of diabetes, but both her parents have hypertension, and her grandfather has diabetes. She is of white British ethnicity and has a BMI of 29.6kg/m². What is the reason for recommending an oral glucose tolerance test for this patient?
Your Answer:
Correct Answer: Previous macrosomia
Explanation:It is recommended that pregnant women with a family history of diabetes undergo an oral glucose tolerance test (OGTT) for gestational diabetes between 24 and 28 weeks of pregnancy.
Gestational diabetes is a common medical disorder affecting around 4% of pregnancies. Risk factors include a high BMI, previous gestational diabetes, and family history of diabetes. Screening is done through an oral glucose tolerance test, and diagnostic thresholds have recently been updated. Management includes self-monitoring of blood glucose, diet and exercise advice, and medication if necessary. For pre-existing diabetes, weight loss and insulin are recommended, and tight glycemic control is important. Targets for self-monitoring include fasting glucose of 5.3 mmol/l and 1-2 hour post-meal glucose levels.
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This question is part of the following fields:
- Obstetrics
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Question 17
Incorrect
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A 28-year-old woman presents at 12 weeks’ gestation for her dating scan. The radiographer calls you in to speak to the patient, as the gestational sac is small for dates and she is unable to demonstrate a fetal heart rate. On further questioning, the patient reports an episode of bleeding while abroad at nine weeks’ gestation, which settled spontaneously.
Which of the following is the most likely diagnosis?Your Answer:
Correct Answer: Missed miscarriage
Explanation:Different Types of Miscarriage: Symptoms and Diagnosis
Miscarriage is the loss of pregnancy before 20 weeks’ gestation. There are several types of miscarriage, each with its own symptoms and diagnosis.
Missed miscarriage is an incidental finding where the patient presents without symptoms, but the ultrasound shows a small gestational sac and no fetal heart rate.
Complete miscarriage is when all products of conception have been passed, and the uterus is empty and contracted.
Incomplete miscarriage is when some, but not all, products of conception have been expelled, and the patient experiences vaginal bleeding with an open or closed os.
Inevitable miscarriage is when the pregnancy will inevitably be lost, and the patient presents with active bleeding, abdominal pain, and an open cervical os.
Threatened miscarriage is when there is an episode of bleeding, but the pregnancy is unaffected, and the patient experiences cyclical abdominal pain and dark red-brown bleeding. The cervical os is closed, and ultrasound confirms the presence of a gestational sac and fetal heart rate.
It is important to seek medical attention if any symptoms of miscarriage occur.
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This question is part of the following fields:
- Obstetrics
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Question 18
Incorrect
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A 28-year-old woman comes to the clinic after two positive pregnancy tests and seeks guidance on how to have a healthy pregnancy. She is in good health, takes folic acid, and smokes 20 cigarettes per day.
You recognize the importance of quitting smoking for the well-being of the pregnancy and employ motivational interviewing techniques to address her smoking.
What is the initial step in this process?Your Answer:
Correct Answer: Establish rapport and find out whether she wants to change
Explanation:Best Practices for Motivational Interviewing in Smoking Cessation during Pregnancy
Motivational interviewing is a patient-centered approach that aims to elicit and strengthen the patient’s own motivation and commitment to change. When it comes to smoking cessation during pregnancy, there are several best practices to follow.
Firstly, it is important to establish rapport and assess the patient’s readiness to discuss behavior change. This involves determining which stage of change the patient is at and working accordingly from there.
Next, it is important to assess the patient’s perceived difficulties and barriers to change, often using a numerical scale. However, this should not be done as the first step.
Explaining and advising why smoking is harmful in pregnancy should also not be the first step. Instead, it is best to find out what the patient understands about the risks of smoking in pregnancy and then evoke the patient’s own motivations for change, if present.
It is important to avoid trying to break down any resistance shown by the patient. Instead, a therapeutic relationship resembling a partnership or team should be used as the cornerstone from which changes can be explored or pursued.
Finally, using a numerical scale to assess the patient’s confidence and willingness to quit smoking is an important step, but should not be done in the first instance. By following these best practices, healthcare providers can effectively use motivational interviewing to support smoking cessation during pregnancy.
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This question is part of the following fields:
- Obstetrics
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Question 19
Incorrect
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A 32-year-old woman is ready to leave the postnatal ward after giving birth to her daughter through normal vaginal delivery 12 hours ago. She asks about contraceptive options as she feels her family is complete. She has a clean medical history and had no complications during her pregnancy or labour. She has previously used the intrauterine system (IUS) and wishes to continue with it. What recommendations should she receive?
Your Answer:
Correct Answer: She may have the IUS inserted up to 48 hours after delivery if she wishes
Explanation:The intrauterine device or intrauterine system can be inserted within 48 hours of childbirth or after a minimum of 4 weeks. However, it is important to note that insertion between 48 hours and 4 weeks after delivery should be avoided due to the increased risk of expulsion and lack of data on uterine perforation with newer models. In addition to general contraindications, contraindications to postpartum insertion within 48 hours include peripartum chorioamnionitis, endometritis, puerperal sepsis, or post-partum haemorrhage. Waiting a minimum of 6 weeks or 2 months after delivery is not necessary. If waiting the recommended minimum of 4 weeks, the progesterone-only pill may be used as an interim measure to reduce the risk of pregnancy.
After giving birth, women need to use contraception after 21 days. The progesterone-only pill (POP) can be started at any time postpartum, according to the FSRH. Additional contraception should be used for the first two days after day 21. A small amount of progesterone enters breast milk, but it is not harmful to the infant. On the other hand, the combined oral contraceptive pill (COCP) is absolutely contraindicated (UKMEC 4) if breastfeeding is less than six weeks post-partum. If breastfeeding is between six weeks and six months postpartum, it is a UKMEC 2. The COCP may reduce breast milk production in lactating mothers. It should not be used in the first 21 days due to the increased venous thromboembolism risk post-partum. After day 21, additional contraception should be used for the first seven days. The intrauterine device or intrauterine system can be inserted within 48 hours of childbirth or after four weeks.
The lactational amenorrhoea method (LAM) is 98% effective if the woman is fully breastfeeding (no supplementary feeds), amenorrhoeic, and less than six months post-partum. It is important to note that an inter-pregnancy interval of less than 12 months between childbirth and conceiving again is associated with an increased risk of preterm birth, low birth weight, and small for gestational age babies.
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This question is part of the following fields:
- Obstetrics
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Question 20
Incorrect
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A 24-year-old primigravida is brought to the Emergency Department by her husband at 33 weeks of gestation after experiencing a generalised tonic–clonic seizure. Examination reveals blood pressure of 160/90 mmHg, temperature of 37 °C and 2+ pitting oedema in the lower extremities. She appears lethargic but responds to simple commands. What is the definitive treatment for this patient's condition?
Your Answer:
Correct Answer: Immediate delivery
Explanation:Eclampsia: Symptoms and Treatment
Eclampsia is a serious medical condition that can occur during pregnancy, characterized by pre-eclampsia and seizure activity. Symptoms may include hypertension, proteinuria, mental status changes, and blurred vision. Immediate delivery is the only definitive treatment for eclampsia, but magnesium can be given to reduce the risk of seizures in women with severe pre-eclampsia who are delivering within 24 hours. Eclampsia is more common in younger women with their first pregnancy and those with underlying vascular disorders. Hydralazine can be used to manage hypertension in pregnant women, but it is not the definitive treatment for eclampsia. Conservative management, such as salt and water restriction, bed rest, and close monitoring of blood pressure, is not appropriate for patients with eclampsia and associated seizure and mental state changes. ACE inhibitors are contraindicated during pregnancy, and labetalol is the first-line antihypertensive in pregnancy. Diazepam and magnesium sulfate can reduce seizures in eclampsia, but they are not the definitive treatment.
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This question is part of the following fields:
- Obstetrics
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Question 21
Incorrect
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A 29-year-old woman is admitted to the Intensive Therapy Unit. She presented with multiple seizures to the Emergency Department and is 8 months pregnant. She is intubated and ventilated; her blood pressure is 145/95 mmHg.
Investigations:
Investigation Result Normal value
Haemoglobin 108 g/dl 115–155 g/l
White cell count (WCC) 8.1 × 109/l 4–11 × 109/l
Platelets 30 × 109/l 150–400 × 109/l
Aspartate aminotransferase (AST) 134 U/l 10–40 IU/l
Urine analysis protein ++
Which of the following fits best with this clinical picture?Your Answer:
Correct Answer: The treatment of choice is delivery of the fetus
Explanation:Eclampsia: Diagnosis and Treatment Options
Eclampsia is a serious complication of pregnancy that requires prompt diagnosis and treatment. It is a multisystem disorder characterized by hypertension, proteinuria, and edema, and can lead to seizures and coma if left untreated. The definitive treatment for eclampsia is delivery of the fetus, which should be undertaken as soon as the mother is stabilized.
Seizures should be treated with magnesium sulfate infusions, while phenytoin and diazepam are second-line treatment agents. Pregnant women should be monitored for signs of pre-eclampsia, which can progress to eclampsia if left untreated.
While it is important to rule out other intracranial pathology with CT imaging of the brain, it is not indicated in the treatment of eclampsia. Hydralazine or labetalol infusion is the treatment of choice for hypertension in the setting of pre-eclampsia/eclampsia.
Following an eclamptic episode, around 50% of patients may experience a transient neurological deficit. Therefore, prompt diagnosis and treatment are crucial to prevent serious complications and ensure the best possible outcome for both mother and baby.
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This question is part of the following fields:
- Obstetrics
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Question 22
Incorrect
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A 28-year-old primigravida woman presents at 38+5 weeks’ gestation to the Labour Ward with regular contractions that have started about three hours ago.
On examination, she has a short, soft cervix which is 2 cm dilated. Contractions are roughly every 4–5 minutes and are palpable, demonstrated on cardiotocography, but are not very strong or painful at present.
Which of the following statements applies to the first stage of labour?Your Answer:
Correct Answer: It occurs at a rate of about 1 cm per hour in a nulliparous woman
Explanation:Labour is the process of giving birth and is divided into three stages. The first stage begins with regular contractions and ends when the cervix is fully dilated at 10 cm. This stage is further divided into a latent phase, where the cervix dilates to 4 cm, and an active phase, where the cervix dilates from 4 cm to 10 cm. The rate of cervical dilation in a nulliparous woman is approximately 1 cm per hour, while in a multiparous woman, it is approximately 2 cm per hour. The second stage of labour begins when the cervix is fully dilated and ends with the delivery of the baby. During this stage, fetal heart rate monitoring should occur at least every five minutes and after each contraction. Cervical incompetence, which involves cervical shortening and dilation in the absence of contractions, can result in premature delivery or second trimester loss and is more common in women with a multiple pregnancy, previous cervical incompetence, or a history of cervical surgery. These women can be managed with monitoring of cervical length, cervical cerclage, or progesterone cervical pessaries. The third stage of labour involves the delivery of the placenta and membranes.
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This question is part of the following fields:
- Obstetrics
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Question 23
Incorrect
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A 30-year-old asymptomatic woman comes to the hospital for an oral glucose tolerance test (OGTT). She is currently 16 weeks pregnant with her second child. During her first pregnancy, she had gestational diabetes and foetal macrosomia. Despite having a body mass index of 34 kg/m2, she is in good health.
Her test results are as follows:
- Fasting glucose: 8.5 mmol/L (<5.6 mmol/L)
- 2 hour glucose: 12.8 mmol/L (<7.8 mmol/L)
What is the recommended course of action for managing her condition?Your Answer:
Correct Answer: Insulin plus or minus metformin
Explanation:If a woman is diagnosed with gestational diabetes and her fasting glucose level is equal to or greater than 7 mmol/l, immediate treatment with insulin (with or without metformin) should be initiated. For women with a fasting glucose level below 7 mmol/l at diagnosis, lifestyle modifications such as diet and exercise should be recommended. If blood glucose targets are not achieved within 1-2 weeks using lifestyle modifications, metformin may be prescribed. Glibenclamide can be considered for women who do not reach their blood glucose targets with metformin or who refuse insulin therapy. Pioglitazone should be avoided during pregnancy as animal studies have shown it to be harmful.
Gestational diabetes is a common medical disorder affecting around 4% of pregnancies. Risk factors include a high BMI, previous gestational diabetes, and family history of diabetes. Screening is done through an oral glucose tolerance test, and diagnostic thresholds have recently been updated. Management includes self-monitoring of blood glucose, diet and exercise advice, and medication if necessary. For pre-existing diabetes, weight loss and insulin are recommended, and tight glycemic control is important. Targets for self-monitoring include fasting glucose of 5.3 mmol/l and 1-2 hour post-meal glucose levels.
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This question is part of the following fields:
- Obstetrics
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Question 24
Incorrect
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A 20-year-old primigravida at 8 weeks comes in with suprapubic pain and vaginal bleeding. She has passed tissue through her vagina and blood is pooled in the vaginal area. The cervix is closed and an ultrasound reveals an empty uterine cavity. What is the diagnosis?
Your Answer:
Correct Answer: Complete miscarriage
Explanation:A complete miscarriage occurs when the entire fetus is spontaneously aborted and expelled through the cervix. Once the fetus has been expelled, the pain and uterine contractions typically cease. An ultrasound can confirm that the uterus is now empty.
Miscarriage is a common complication that can occur in up to 25% of all pregnancies. There are different types of miscarriage, each with its own set of symptoms and characteristics. Threatened miscarriage is painless vaginal bleeding that occurs before 24 weeks, typically at 6-9 weeks. The bleeding is usually less than menstruation, and the cervical os is closed. Missed or delayed miscarriage is when a gestational sac containing a dead fetus is present before 20 weeks, without the symptoms of expulsion. The mother may experience light vaginal bleeding or discharge, and the symptoms of pregnancy may disappear. Pain is not usually a feature, and the cervical os is closed. Inevitable miscarriage is characterized by heavy bleeding with clots and pain, and the cervical os is open. Incomplete miscarriage occurs when not all products of conception have been expelled, and there is pain and vaginal bleeding. The cervical os is open in this type of miscarriage.
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This question is part of the following fields:
- Obstetrics
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Question 25
Incorrect
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A 19-year-old primiparous woman is being monitored on the labour ward after a midwife raised concerns about her CTG tracing. She is currently in active second stage labour for 2 hours and is using gas and air for pain relief. At 39 weeks gestation, her CTG shows a foetal heart rate of 90 bpm (110 - 160), variability of 15 bpm (5 - 25), and no decelerations. She is experiencing 6-7 contractions per 10 minutes (3 - 4) for the past 7 minutes. What is the most appropriate immediate next step?
Your Answer:
Correct Answer: Arrange a caesarean section within 30 minutes
Explanation:In the case of persistent foetal bradycardia with a higher than expected frequency of contractions, a category 1 caesarean section is necessary due to foetal compromise. This procedure should occur within 30 minutes. Therefore, the correct course of action is to arrange a caesarean section within this time frame. It is important to note that a category 2 caesarean section, which should occur within 75 minutes, is not appropriate in this situation as it is reserved for non-immediately life-threatening maternal or foetal compromise. Foetal blood sampling, placing a foetal scalp electrode, and taking an ECG of the mother are also not necessary in this scenario as urgent delivery is the priority.
Caesarean Section: Types, Indications, and Risks
Caesarean section, also known as C-section, is a surgical procedure that involves delivering a baby through an incision in the mother’s abdomen and uterus. In recent years, the rate of C-section has increased significantly due to an increased fear of litigation. There are two main types of C-section: lower segment C-section, which comprises 99% of cases, and classic C-section, which involves a longitudinal incision in the upper segment of the uterus.
C-section may be indicated for various reasons, including absolute cephalopelvic disproportion, placenta praevia grades 3/4, pre-eclampsia, post-maturity, IUGR, fetal distress in labor/prolapsed cord, failure of labor to progress, malpresentations, placental abruption, vaginal infection, and cervical cancer. The urgency of C-section may be categorized into four categories, with Category 1 being the most urgent and Category 4 being elective.
It is important for clinicians to inform women of the serious and frequent risks associated with C-section, including emergency hysterectomy, need for further surgery, admission to intensive care unit, thromboembolic disease, bladder injury, ureteric injury, and death. C-section may also increase the risk of uterine rupture, antepartum stillbirth, placenta praevia, and placenta accreta in subsequent pregnancies. Other complications may include persistent wound and abdominal discomfort, increased risk of repeat C-section, readmission to hospital, haemorrhage, infection, and fetal lacerations.
Vaginal birth after C-section (VBAC) may be an appropriate method of delivery for pregnant women with a single previous C-section delivery, except for those with previous uterine rupture or classical C-section scar. The success rate of VBAC is around 70-75%.
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This question is part of the following fields:
- Obstetrics
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Question 26
Incorrect
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A 25-year-old woman has a vaginal delivery of her first child. Although the birth was uncomplicated, she suffers a tear which extends from the vaginal mucosa into the submucosal tissue, but not into the external anal sphincter. Which degree tear is this classed as?
Your Answer:
Correct Answer: Second degree
Explanation:– First degree: a tear that only affects the vaginal mucosa
– Second degree: a tear that extends into the subcutaneous tissue
– Third degree: a laceration that reaches the external anal sphincter
– Fourth degree: a laceration that goes through the external anal sphincter and reaches the rectal mucosaPerineal tears are a common occurrence during childbirth, and the Royal College of Obstetricians and Gynaecologists (RCOG) has developed guidelines to classify them based on their severity. First-degree tears are superficial and do not require any repair, while second-degree tears involve the perineal muscle and require suturing by a midwife or clinician. Third-degree tears involve the anal sphincter complex and require repair in theatre by a trained clinician, with subcategories based on the extent of the tear. Fourth-degree tears involve the anal sphincter complex and rectal mucosa and also require repair in theatre by a trained clinician.
There are several risk factors for perineal tears, including being a first-time mother, having a large baby, experiencing a precipitant labour, and having a shoulder dystocia or forceps delivery. It is important for healthcare providers to be aware of these risk factors and to provide appropriate care and management during childbirth to minimize the risk of perineal tears. By following the RCOG guidelines and providing timely and effective treatment, healthcare providers can help ensure the best possible outcomes for both mother and baby.
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This question is part of the following fields:
- Obstetrics
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Question 27
Incorrect
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A 29-year-old woman is admitted to the labour ward at 38+4 weeks gestation. This is her first pregnancy and she reports that contractions began approximately 12 hours ago. Upon examination, her cervix is positioned anteriorly, is soft, and is effaced at around 60-70%. Cervical dilation is estimated at around 3-4 cm and the fetal head is located at the level of the ischial spines. No interventions have been performed yet.
What is the recommended intervention at this point?Your Answer:
Correct Answer: No interventions required
Explanation:The patient’s cervical dilation is 3-4 cm with a fetal station of 0, and her Bishop’s score is 10. Since her labor has only been ongoing for 10 hours, no interventions are necessary. A Bishop’s score of 8 or higher indicates a high likelihood of spontaneous labor, and for first-time mothers, the first stage of labor can last up to 12 hours. If the Bishop’s score is less than 5, induction may be necessary, and vaginal prostaglandin E2 is the preferred method.
If other methods fail to induce labor or if vaginal prostaglandin E2 is not suitable, amniotomy may be performed. However, this procedure carries the risk of infection, umbilical cord prolapse, and breech presentation if the fetal head is not engaged. Maternal oxytocin infusion may be used if labor is not progressing, but it is not appropriate in this scenario at this stage due to the risk of uterine hyperstimulation.
A membrane sweep is a procedure where a finger is inserted vaginally and through the cervix to separate the chorionic membrane from the decidua. This is an adjunct to labor induction and is typically offered to first-time mothers at 40/41 weeks.
Induction of labour is a process where labour is artificially started and is required in about 20% of pregnancies. It is indicated in cases of prolonged pregnancy, prelabour premature rupture of the membranes, maternal medical problems, diabetic mother over 38 weeks, pre-eclampsia, obstetric cholestasis, and intrauterine fetal death. The Bishop score is used to assess whether induction of labour is necessary and includes cervical position, consistency, effacement, dilation, and fetal station. A score of less than 5 indicates that labour is unlikely to start without induction, while a score of 8 or more indicates a high chance of spontaneous labour or response to interventions made to induce labour.
Possible methods of induction include membrane sweep, vaginal prostaglandin E2, oral prostaglandin E1, maternal oxytocin infusion, amniotomy, and cervical ripening balloon. The NICE guidelines recommend vaginal prostaglandins or oral misoprostol if the Bishop score is less than or equal to 6, while amniotomy and an intravenous oxytocin infusion are recommended if the score is greater than 6.
The main complication of induction of labour is uterine hyperstimulation, which refers to prolonged and frequent uterine contractions that can interrupt blood flow to the intervillous space and result in fetal hypoxemia and acidemia. Uterine rupture is a rare but serious complication. Management includes removing vaginal prostaglandins and stopping the oxytocin infusion if one has been started, and considering tocolysis.
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This question is part of the following fields:
- Obstetrics
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Question 28
Incorrect
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A 36-year-old woman presents with increasing bloating and mild lower abdominal pain that started 3 hours ago. On examination, there is abdominal tenderness and ascites, but no guarding. She denies any vaginal bleeding. Her vital signs include a heart rate of 98/minute, a blood pressure of 90/55 mmHg, and a respiratory rate of 22/minute. The patient is currently undergoing IVF treatment and had her final hCG injection 5 days ago. She has been having regular, unprotected sex during treatment. A pregnancy test confirms she is pregnant. What is the most likely diagnosis?
Your Answer:
Correct Answer: Ovarian hyperstimulation syndrome
Explanation:The patient’s symptoms suggest a gynecological issue, possibly ovarian hyperstimulation syndrome, which can occur as a side-effect of ovulation induction. The presence of ascites, low blood pressure, and tachycardia indicate fluid loss into the abdomen, but the absence of peritonitis suggests it is not a catastrophic hemorrhage. The recent hCG injection increases the likelihood of ovarian hyperstimulation syndrome, which is more common with IVF and injectable treatments than with oral fertility agents like clomiphene. Ovarian cyst rupture, ovarian torsion, red degeneration, and ruptured ectopic pregnancy are unlikely explanations for the patient’s symptoms.
Ovulation induction is often required for couples who have difficulty conceiving naturally due to ovulation disorders. Normal ovulation requires a balance of hormones and feedback loops between the hypothalamus, pituitary gland, and ovaries. There are three main categories of anovulation: hypogonadotropic hypogonadal anovulation, normogonadotropic normoestrogenic anovulation, and hypergonadotropic hypoestrogenic anovulation. The goal of ovulation induction is to induce mono-follicular development and subsequent ovulation to lead to a singleton pregnancy. Forms of ovulation induction include exercise and weight loss, letrozole, clomiphene citrate, and gonadotropin therapy. Ovarian hyperstimulation syndrome is a potential side effect of ovulation induction and can be life-threatening if not managed promptly.
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This question is part of the following fields:
- Obstetrics
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Question 29
Incorrect
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A 35-year-old woman in her second pregnancy has been diagnosed with pre-eclampsia and is taking labetalol twice daily. She presents to the Antenatal Assessment Unit with abdominal pain that began earlier this morning, followed by a brown discharge. The pain is constant and radiates to the back. During the examination, the uterus is hard and tender, and there is a small amount of dark red blood on the pad she presents to you. Which investigation is more likely to diagnose the cause of this patient's antepartum bleeding?
Your Answer:
Correct Answer: Transabdominal ultrasound scan
Explanation:When a patient presents with symptoms that suggest placental abruption, a transabdominal ultrasound scan is the most appropriate first-line investigation. This is especially true if the patient has risk factors such as pre-eclampsia and age over 35. The ultrasound scan can serve a dual purpose by assessing the position of the placenta and excluding placenta praevia, as well as assessing the integrity of the placenta and detecting any blood collection or haematoma that may indicate placental abruption. However, in some cases, the ultrasound scan may be normal even in the presence of placental abruption. In such cases, a magnetic resonance imaging (MRI) scan may be necessary for a more accurate diagnosis.
Before performing a bimanual pelvic examination, it is essential to rule out placenta praevia, as this can lead to significant haemorrhage and fetal and maternal compromise. A full blood count is also necessary to assess the extent of bleeding and anaemia, but it is not diagnostic of placental abruption.
An abdominal CT scan is not used as a first-line investigation for all women with antepartum haemorrhage, as it exposes the fetus to a significant radiation dose. It is only used in the assessment of pregnant women who have suffered traumatic injuries. Urinalysis is important in the assessment of women with antepartum haemorrhage, as it can detect genitourinary infections, but it does not aid in the diagnosis of placental abruption.
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This question is part of the following fields:
- Obstetrics
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Question 30
Incorrect
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A 27-year-old woman who is 39+0 weeks pregnant undergoes an artificial rupture of membranes to speed up slow labour. However, soon after the procedure, the CTG shows foetal bradycardia and the umbilical cord is palpable at the vaginal opening. What is the first step in managing this patient?
Your Answer:
Correct Answer: Ask the mother to 'go on all fours'
Explanation:The appropriate action for a woman with a cord prolapse is to request that she assume an all-fours position on her knees and elbows. This condition occurs when the umbilical cord descends before the fetus’s presenting part, resulting in signs of fetal distress on a CTG after an artificial rupture of membranes. To prevent compression, the fetus’s presenting part may be pushed back into the uterus, and tocolytics may be used. If the cord is beyond the introitus, it should be kept warm and moist but not pushed back inside. The patient should be instructed to assume an all-fours position until an immediate caesarean section can be arranged. Applying external suprapubic pressure is not recommended, as it is part of the initial management of shoulder dystocia. Attempting to return the umbilical cord to the uterus is not recommended, as it may worsen fetal hypoxia and cause vasospasm. An episiotomy is not necessary for the initial management of cord prolapse and is typically used during instrumental vaginal deliveries or when the mother is at high risk of perineal trauma.
Understanding Umbilical Cord Prolapse
Umbilical cord prolapse is a rare but serious complication that can occur during delivery. It happens when the umbilical cord descends ahead of the presenting part of the fetus, which can lead to compression or spasm of the cord. This can cause fetal hypoxia and potentially irreversible damage or death. Certain factors increase the risk of cord prolapse, such as prematurity, multiparity, polyhydramnios, twin pregnancy, cephalopelvic disproportion, and abnormal presentations like breech or transverse lie.
Around half of all cord prolapses occur when the membranes are artificially ruptured. Diagnosis is usually made when the fetal heart rate becomes abnormal and the cord is palpable vaginally or visible beyond the introitus. Cord prolapse is an obstetric emergency that requires immediate management. The presenting part of the fetus may be pushed back into the uterus to avoid compression, and the cord should be kept warm and moist to prevent vasospasm. The patient may be asked to go on all fours or assume the left lateral position until preparations for an immediate caesarian section have been carried out. Tocolytics may be used to reduce uterine contractions, and retrofilling the bladder with saline can help elevate the presenting part. Although caesarian section is the usual first-line method of delivery, an instrumental vaginal delivery may be possible if the cervix is fully dilated and the head is low.
In conclusion, umbilical cord prolapse is a rare but serious complication that requires prompt recognition and management. Understanding the risk factors and appropriate interventions can help reduce the incidence of fetal mortality associated with this condition.
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This question is part of the following fields:
- Obstetrics
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