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
Most common cause of female pseudohermaphroditism is: 
Select and explain. 
A. Virilizing ovarian tumor, B. Ovarian dysgenesis, C. Exogenous androgen, D. Congenital adrenal hyperplasia
D: Congenital adrenal hyperplasia
Answer: D: Congenital adrenal hyperplasia 
Explanation: 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