This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Gonads, Subject name: Pediatrics
[{'content': 'Female pseudoherm aphroditism M.C. cause - \nSelect and explain. \nA. CAH, B. Maternal ovarian tumor, C. Maternal drug intake, D. Chromosomal abnormalities', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., CAHo Female pseudo hermaphroditism n Have internal genitalia female typeKaryo type XXMasculinisation of external genitaliaMost common - CAHCongenital adrenal hyperplasiao M-C. 21 hydroxylase deficiencyOther cause excess maternal androgen due to -Maternal ovarian tumor.Maternal drug intake.TreatmentHormonal therapy.Surgical correction.", 'role': 'assistant'}]