A week ago my boyfriend and I had unprotected sex and this was the day before my period began. However I was still fearful that I might get pregnant. I took the postinor 2 pills ( both at once ) because I didn't know the instructions. My period came the second day but it lasted longer than usual. My period usually lasts for 5 days but today makes it the 7th day that i still see bleeding. However the bleeding is lighter than the earlier days. My boyfriend and I had unprotected sex again today and he came in me. Is it possible that I could get pregnant ? Should I take another Postinor tablet?