Sir/mam,
i hve a unprotected sex with my gf,her period over on 30 april,and we have unprotected sex on 2 may,she take unwanted 72 on 3rd may by mrning,she is bleeding on 5th and 6th and then bleeding stop and bleeding again start on 9 may,why this happens ,is there is any cause of worry,or is there is any chance of pregnancy.