HI, Me And My Bf. Was Just Messing Around And

HI, Me and my bf. Was just messing around and he was pushing his penis up towards my vagina and tried to push it in without a condom. Well I went to the bathroom afterwards and I went to wipe myself and there was blood and white sticky stuff. He swears that he didn't cum, that he just owed alittle, is it possible that I'm pregnant?