I’ve read that you should stop using Finasteride if you’re trying to conceive since there’s a small risk that the baby will be negatively affected by it. However, if you’re not trying to conceive and the woman is using some kind of contraception, like birth control pills or an IUD, is it then safe to have sex without a condom? Can the small amounts of finasteride found in semen be harmful to women’s health in any way in this kind of scenario? Trying to figure out if condom is the only way to go.
The amounts of finasteride found in semen has been reported to be found in very, very small concentrations. The question must be framed in the context of a pregnant woman early in her pregnancy and if the finasteride in such a low dose, would have to cross into the uterus, across the placenta and into the fetus. I don’t know if this has been documented, but it might be best to be extra-cautious using a condemn to avoid the risk. Finasteride itself can not