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': "Ambiguous genitalia in males is due to \nSelect and explain. \nA. Congenital adrenal hyperplasia, B. Cushing's disease, C. 5 - alpha reductase deficiency, D. Aromatase deficiency", 'role': 'user'}, {'content': 'Answer: C \nExplanation: 5 -\xa0α Reductase deficiency causes ambiguous genitalia in males. Rest all options cause ambigous genitalia in females.', 'role': 'assistant'}]