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5 results
  1. Cytochrome P450 Oxidoreductase Deficiency - GeneReviews® - NCBI Bookshelf 
    https://www.ncbi.nlm.nih.gov/books/NBK1419
    ... hydroxylase and 17α-hydroxylase deficiency. 21-hydroxylase deficiency (21-OHD, CYP21A2 deficiency), the most common form of CAH, ... genitalia in females (46,XX DSD). Unlike PORD, 21-OHD is characterized by increased circulating androgens and progressive ...
  2. Nonsyndromic 46,XX Testicular Disorders of Sex Development - GeneReviews® - NCBI Bookshelf 
    https://www.ncbi.nlm.nih.gov/books/NBK1416
    ... to androgens Congenital adrenal hyperplasia . 21-hydroxylase deficiency (21-OHD) is the most common cause of congenital adrenal ... from cholesterol by the adrenal cortex. In classic 21-OHD CAH, excessive adrenal androgen biosynthesis results in virilization ...