MS-2036
A 12-day-old infant named Max is brought to the paediatric assessment unit due to yellowing of the skin that started 3 days ago. Max is currently in a bright and alert state and has not experienced any fever. The baby has been passing urine and stool normally, and the mother has not noticed any changes in this regard.
Apart from the jaundice, the mother has no other concerns, and Max has been thriving since birth. Max was born at term, is breastfed, and there are no other children in the house.
Hb: 140 g/L Male: (135-180) Female: (115 – 160)
Bilirubin: 30 µmol/L (3 – 17)
Upon further testing, it is revealed that Max’s unconjugated bilirubin levels are 26 µmol/L. Based on these findings, what is the most likely cause of the jaundice in Max’s case?