20 minutes after protected sex my boyfriend and I were cuddling naked which led to unprotected anal sex. He had already ejaculated the first time, had peed thoroughly, and wiped dry before the anal sex. However, during anal his penis slid down towards my vagina. It did not enter my vagina. Also note I am on my period. We both panicked and left it at that. This was yesterday so it is not too late for me to get the morning after pill, shall I do so, or am I being stupid? Many thanks