NEED HELP

hello! can anyone please help me?

my bf and i had sex last November8 and i took plan b right away.

i got my period last November 24

on dec 15 & 16 my bf and i had a real quickie that took less than two mins and he did not even exploded. so, i did not take the plan b.

now, it's dec 27 and i still haven't got my period. is it late because of the plan b?

please helppp 😭