system
A chat on subreddit /r/NoStupidQuestions
human
It only takes one surviving one though...
gpt
Right, but unless she's gonna shove the entire thing way up there in hopes that the one is gonna unstick itself and survive the swim all the way up which most usually don't, I'm gonna say the odds of that are next to impossible. 

Girls don't get pregnant just cause sperm touches their vagina, it's needs to be released way up in there, it's closer than people thing but also further than people think. 

Accidental pregnancies happen all the fucking time, but what no one talks about is how common it is for people to have a hard time getting pregnant. And a few sperm cells logged in tissue will not only dry out and die, but assuming they survive they'll never be able to make the swim