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': 'Characteristic congenital anomalies in the fetus of a diabetic women is/are : \nSelect and explain. \nA. Sacral agenesis, B. Hypoplastic lung, C. Cardiac anomalies, D. Anencephaly', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Sacral agenesis', 'role': 'assistant'}]