This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Gynaecology & Obstetrics
[{'content': 'Ultrasound is useful in a diabetic mother in all the following except one : \nSelect and explain. \nA. Confirm fetal maturity, B. To detect fetal malformation, C. To detect hydramnios, D. Diagnose hydrocephalus', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Confirm fetal maturity', 'role': 'assistant'}]