I Need Help im 15 and I Had sex for the first time on November 25 but he didnt cum I Got My Period The Next Day November 26 i had sex again with out any protection i took the plan b pill on the 29 i only took one on December 6 i started spotting blood it lasted a day so i dont count that as a possible period i know its not very possible to get pregnant on the first day of your period but it 2-4-13 and i still havent gotten my period can it be possible im pregnant? I also took a pregnacy test but it came out negative and i went to the doctors and they tested me it said no i think bkuz they later on gave me so meds but is it still a little chance i am?