Congenital adrenal hyperplasia (CAH) is an autosomal recessive disorder commonly caused by mutation of the CYP21A2 gene, resulting in deficiency enzyme required for cortisol synthesis cortex. In 90-95% cases, deficient 21-hydroxylase (21-OH), with incidence ranging from 1 5,000 to 15,000 live births across various ethnic and racial backgrounds. classical 21-OH (21-OHD) CAH, excessive androgen e...
