II. Causes
- Deficiencies of Enzyme Activity
- 3B Hydroxysteroid dehydrogenase - Type 2
- Chromosome: 1p13.1
- 21-Hydroxylase
- Chromosome: 6p21.3
- 11B-Hydroxylase - Type 1
- Chromosome 8q21
- 3B Hydroxysteroid dehydrogenase - Type 2
- Deficiencies of placental or germ-line aromatase
- Maternal Androgen Excess
- Virilizing luteoma
- Congenital Adrenal Hyperplasia
- Ingestion of androgens, synthetic Estrogens
- Eponymic Syndromes
- Fraser syndrome
- VACTERL association
III. Signs
- Internal genitalia are female
- External genitalia are masculinized