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: Pediatrics
All of the following may be causes of precocious puberty in girls except – 
Select and explain. 
A. Hypothalamic harnartoma, B. Mc Cuone Albright syndrome, C. Granulosa cell tumor of human ovary, D. Congential 21–α hydroxylase deficiency
D: Congential 21–α hydroxylase deficiency
Answer: D: Congential 21–α hydroxylase deficiency 
Explanation: Congenital 21 hydroxylase deficiency causes precocious puberty in male due to excess of androgens.
In female, it results in virilization.