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: Pharmacology
[{'content': 'S/E of diethyl stilbesterol when used in pregnant woman- \nSelect and explain. \nA. Deep vein thrombosis in pregnant woman, B. Feminization of external genitalia of male offspring, C. Infeility and development of vaginal carcinoma in female offspring, D. Virilization of the external genitalia of female offspring', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Infeility and development vaginal carcinoma in female offspring Stilbestrol given to pregnant women Increased risk of vaginal and cervical carcinoma in the female offspring in childhood or early adulthood.", 'role': 'assistant'}]