Just need some confirmation!

There’s no way you can get pregnant if he came in your anus, right? Then, sperm dripping outta your anus and doesn’t reach the opening of your vagina.

What if sperm drip or slide and reach the opening of the vagina but NOT inside?

Edit: I know you cannot get pregnant from anal sex. I just want some clarification on the possibility of getting pregnant if semen got on the opening of your vagina.

Like, cervical mucous and semen