HELP! CHANCE OF PREGNANCY?!?

So my boyfriend and I had sex the other day. He usually cums in a sock, but this time he tried it in my butt. Well, after he came in my butt (sorry for the description), it was starting to drip, so he wiped the cum off, and then wiped my vagina with the same thing!!!! So his cum literally touched me.... Should I be worried?? Could I be pregnant?...😞