It is reported to the reproductive organs such as uterus, and... testicles. In the famous interviews of Dr Malon with Eric Weinstain show, they talked about the Japanese study that found spike proteins don't stuck in the arm, and spread all over the body, and tends to go a lot into sexual organs, but it says more spike protein for women. It automatically leads to the claim that the women will suffer from the infertility, but it had already implied that men's sexual organ would have the same type of issue.