i've been taking 100 mg/day of this stuff (which is the maximum recommended dose) for ten years.
i couldn't produce sperm for you if you begged me for it. if you offered me a million dollars. it doesn't matter - there's no way for me to do it.
and, i'm waiting for a call back from my doctor to get my testicles physically taken out.
https://en.wikipedia.org/wiki/Cyproterone_acetate