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': 'Most common cause aof ambigious genitalia in a female child is \nSelect and explain. \nA. Placenta steriod sulfatase deficiency, B. Fetal aromatase deficiency, C. Wnt4 mutation, D. Congenital adrenal hyperplasia', 'role': 'user'}, {'content': 'Answer: D \nExplanation: CONGENITAL ADRENAL HYPERPLASIA\n\nClinical presentation: Ambiguity of sex detected at birth are due to androgenital syndrome unless proved otherwise. Hirsutism and amenorrhea may be presenting features around puberty in milder form\n\nDiagnosis at birth\n\nAn enlarged clitoris\nPresence of penile urethra or hypospadius\nHyponatremia,hypakalemia and hypotension\nFusion of labia minora', 'role': 'assistant'}]