This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pediatrics
False statement about 21-Hydroxylase deficiency is 
Select and explain. 
A. Most common cause of congenital adrenal hyperplasia, B. Autosomal recessive, C. Femal pseudohermaphoditism, D. Male pseudohermaphroditism
D: Male pseudohermaphroditism
Answer: D: Male pseudohermaphroditism 
Explanation: Congenital adrenal hyperplasia (CAH): Autosomal Recessive disordersMost Common adrenal disorder in childhoodMost common is the 21-hydroxylase deficiency. There is elevated level of pregnenolone, 17-OH pregnenolone, DHEA, and decreased level of progesterone, deoxycoisol, and estradiol, so 21 hydroxylase deficiency causes female pseudohermaphroditism (Refer: Nelson's Textbook of Pediatrics, SAE, 1st edition, pg no. 2714)