MSRA-2600

A 29-year-old pregnant woman comes in for her 42-week antenatal check-up. It was previously agreed that she would be induced at 42 weeks if she did not go into labour naturally. She reports normal foetal movements and denies any recent illnesses. She has no relevant medical history and this is her first pregnancy. During the examination, her abdomen is soft with a palpable uterus and a fundal height of 40cm. What is the most crucial aspect to evaluate in this woman?