I had bud and im crampin but i jus came off my period da day we had am i pregnant?

okay so i had came off my period the day me nd hym had but i take birth controll but i messed up with it once this week but also he said he doent know if he nutted in me he said either my was wet or he nutted he doesnt kow but lr that nite my stomach hurted nd da after my stomach hurtd but then it could have been becaue of my period hugh help me plz