28th day cycle my last period began on Dec 27th and finished on the 1st of January my boyfriend then had unprotected sex with me and ejaculated inside my vagina, we had unprotected sex for the entire month but between that time on Jan 9th i had unprotected sex with guy #2 also but about an hour after I quickly took an postinor 2 and the following Thursday on the 12 we had unprotected sex again and I immediately took a pregnon so that's morning after been taken twice that week and every after my boyfriend and I had unprotected sex. Now am pregnant who could be the father I hope it's my boyfriend