How do you counsel male patients with Androgenetic Alopecia who are trying to conceive about using dutasteride or finasteride?  

I advise against dutasteride for those trying to conceive or who might have unprotected intercourse with pregnant women since dutasteride is in the semen. For 5 alpha-reductase inhibitors in general, the effects on sperm count and sperm motility are very well characterized. There is a reduction in s...