Karyotypes
46XX karyotype: CAH, ovo-testicular DSD, maternal virilizing condition, maternal drugs, placental aromatase deficiency
46XY karyotype: androgen insensitivity syndrome, testosterone biosynthesis defects, complete or partial gonadal dysgenesis, Leydig cell hypoplasia
Abnormal karyotype: Turners (XO), mixed gonadal dysgenesis XO/XY