Dear Doctor, Please I Had Sex With My Fiance On

Dear Doctor, Please I had sex with my fiance on the next day i finish with my menstrual flow and he put sperms in me, two hours after i took prostinor two and week after i started bleeding like am having my period again for four to five days before it stopped. Is it possible to get pregnant. The cycle was 4th OCtober to 8th October and had sex on the 9th of october,2014