You deliver an infant who has ambiguous genitalia. The child is born at 38 weeks to a 32 year old G1P1 Caucasian woman. The parent declined all prenatal screening and testing. At birth, a karyotype is 46,XX. You note clitoral enlargement, labial fusion, and formation of a urogenital sinus. She is at risk for early puberty and short stature.
Challenge: What is this autosomal recessive disorder?