Abstract
Congenital adrenal hyperplasia (CAH) is a group of autosomal recessive disorders characterized by a decrease in cortisol secretion due to deficiency of one of the five enzymes involved in its synthesis. CAH due to 21-hydroxylase deficiency (21OHD) is the most frequent of the adrenal enzymatic defects, accounting for 90-95% of cases. 21OHD is clinically classified into classic CAH, compris…