help!!!

sarah

so i made a stupid decision, i got my last period november 16th, and my period comes about every 4 weeks. me and my “ friends with benefits “ had sex on the 1st of this month ( december ) which is like the 2 week mark where ovulation occurs. i told him to finish in me and he did so we got a plan b. but i keep hearing that plan b doesn’t work when you’re ovulating!! does anyone have more knowledge on this topic??