Pediatrics Most common type of Congenital adrenal hyperplasia (CAH)? A 21-hydroxylase deficiency B 11-b hydroxylase deficiency C 3-b hydroxylase deficiency D 17-a hydroxylase deficiency 💡 Explanation Most common type of Congenital adrenal hyperplasia (CAH)? ✓ Correct Answer: A. 21-hydroxylase deficiency