5-alpha reductase deficient men are fertile.
Ivarsson
S A
SA
D013741:3-Oxo-5-alpha-Steroid 4-Dehydrogenase / Q000172:deficiency*; D005298:Fertility; D006801:Humans; D008297:Male
D013741:3-Oxo-5-alpha-Steroid 4-Dehydrogenase