This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Sex Intersexuality, Subject name: Gynaecology & Obstetrics
[{'content': 'Most common cause of female pseudohermaphroditism is: \nSelect and explain. \nA. Virilizing ovarian tumor, B. Ovarian dysgenesis, C. Exogenous androgen, D. Congenital adrenal hyperplasia', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. is d, i.e. Congenital adrenal hyperplasiaRef: Dutta Gynae 4th/ed, p404; Williams Gynae 1st/ed, p409; Novak 14th/ed, p102Most common cause of female Pseudohermaphroditism is Congenital adrenal hyperplasia', 'role': 'assistant'}]