This Thursday I had unprotected sex and my bf ended up finishing in me while pulling out ( cum right at the entrance of my vagina) and it wasn’t a lot Ive been on birth control for the passed 5/6 months but this past week I’ve been taking them 30 mins/ an hour late and I started taking the sugar pills that same Thursday night meaning I should start my period but it’s Saturday and I still haven’t started my period should I take a plan b now?