Male Pseudo-hermaphroditism	Karyotype	Gonad	Genitalia	Clinical/Notes/treatment
Complete androgen resistance syndrome (testicular feminisation)	46XY	testes (UDT)	female	female external organs, short vagina, no uterus, breasts at puberty, gonad cancer risk. Due to defective end-organ response.
Incomplete androgen resistance syndrome (incomplete testicular feminisation)	46XY	testes (UDT)	ambig.	small phallus, variable labioscrotal fusion and virilisation, gynaecomastia. Due to defective end-organ response.
Testosterone biosynthetic defects (e.g. 17-ketosteroid reductase deficiency)	46XY	testes (UDT)	ambig.	male internal organs, severe hypospadias, short blind vagina, variable virilisation at puberty, variable breast development.
5-Alpha reductase deficiency (Dominican republic)	46XY	testes	ambig.	virilise at puberty. Failure to convert T to DHT in androgen sensitive cells.
Hernia Uteri Inguinale (persistant mullerian structures)	46XY	testes (UDT)	male	normal phallus, uterus and tubes (may be inguinal hernia), poor sperm and hormone production, gonad cancer risk. Can be familial. Presumed failure of MIF production. Rare.