‼️SOMEONE HELP‼️

so yesterday my boyfriend and i had sex and it was like roughy but really good but every time he would pull out to switch positions he would look down at the condom and he'd say like oh shit. i'm super worried because he came but he wanted to keep going so i dont know if the condom broke or some came out. i dont know how to tell anyone or how to get plan b because i don't drive. my period is due tomorrow but i'm usually late. my period came like 5 days late last week. and if i wait that long and never get it and it's too late for plan B i'm going to be in super trouble! Please someone help!!!