am i okay?

me and my boyfriend had sex tonight without using a condom. i am on birth control for about 26 days now. and not to be weird or anything but he was hitting it from the back and finished on my back. i covered my vagina to make sure nothing had gotten in but then i felt something wet like cum and it was close to my vagina. but i am not sure what it is. and not to mention we had sex on my period but i know it wasn’t blood. so i immediately went to the bathroom and cleaned myself up and went pee. will i be okay?