this question from one of my frnds.she was sexually active 2 years back but no more.it hapened twice that she got vaginal bleeding during sex and next day she got periods.after she left doing sex,she used to have alot of vaginal discharge which wasnt blood and it was kind of smelly too..her periods date became abnormal..is there any one who knws abt it..she dont knw wht is it..??