Will contact with menstrual blood harm the penis? I am extremely worried. I had sex on the day I thought I ended my period (without condom) and due to my terrible judgment of whether my period  ended, my period blood came into contact with my boyfriends penis.
Hi, Don't worry, coming in contact with menstrual blood will not harm your boyfriends' penis. If you both are free of any STD (Sexually transmitted Disease) then don't worry. Nothing will happen to you and yours boyfriend. Take care. Hope I have answered your question. Let me know if I can assist you further.