: hello...my friend asked me this...he had done unprotected sex with his partner...he haven t done there it seems(as said by him )..and he is sure and aware that his sperm content haven t come out into the female vagina..but female is getting tensed as she had completed her periods a couple of days ago...can they use the birth control pills like ipill or unwanted 72...and does pills affect at longterm ..?????