Did he pull out in time?

Kate • 🎀 baby girl born December 22nd🎀
I don't want this to seem like one of those annoying "am i pregnant" posts, but i do want some opinions. My fiancé and i are basically at the point now where we aren't actively trying to get pregnant, but if it were to happen it wouldn't be the end of the world. A little over a week ago, we had unprotected sex and he pulled out (mind you, this is the first time we've ever used the pull out method). He says he completely pulled out before he came, and i believed him until i started reading some other girls posts. In all of them, the girls talk about how they have to finish their man off with their hand after he pulls out...i didn't have to do that. literally as soon as he pulled out, not even a second later, he came on my stomach. Did he completely pull out or could there have been some inside of me too?