Congenital adrenal hyperplasia due to<unk>  <unk> -OH CAH), in all its forms, accounts for about 95% of diagnosed cases of congenital adrenal hyperplasia, and "CAH" in most contexts refers to<unk> .
Severe<unk>  causes salt-wasting CAH, with life-threatening vomiting and dehydration occurring within the first few weeks of life. Severe<unk>  is also the most common cause of ambiguous genitalia due to prenatal virilization of genetically female (XX) infants.
Moderate<unk>  is referred to as simple virilizing CAH; and typically is recognized as causing virilization of prepubertal children.
Still milder forms of<unk>  are referred to as non-classical CAH and can cause androgen effects and infertility in adolescent and adult women.
21-Hydroxylase Deficiency
18-Hydroxylase deficiency
21-hydroxylase deficiency
11β-hydroxylase deficiency
5-alpha-reductase deficiency
17 alpha-hydroxylase deficiency
17-beta-hydroxysteroid dehydrogenase deficiency
3 beta-hydroxysteroid dehydrogenase deficiency