Help!!!!

I have been on birth control pills for years, i missed 4 or 5 days in a row, a few days after missing them and taking them how the doctor instructed me and my boyfriend had sex and he came inside of me then i missed another pill right before time for my period, my period came and is typically pretty heavy i typically have my period for a week I’m on the 3rd day of what i assume is my period and it hasn’t been as heavy as normal i have 3 days left and i barely am bleeding. What do you guys think pregnant, not pregnant, helppppp!?