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': 'Diethylstilbesterol causes the following defects to expect \nSelect and explain. \nA. Incompetent cervix, B. Renal anomalies, C. T saped uterus, D. Vaginal adenosis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Diethylstilbesterol  defects\n\nNeural tube defects\nVaginal and cervical adenosis\xa0\nClear cell adenocarcinoma\nUterine anomalies \nCryptorchidism\nTesticular hypoplasia', 'role': 'assistant'}]