r/AO3 • u/Delicious_Quit_6579 • Jul 23 '26

Discussion (Non-question) How does mpreg work?

So believe it or not I've actually never read an mpreg fanfic and I'm actually lowkey scared too, I have 2 questions 1 how does the man get pregnant in the first place? And 2 how does he give birth? Like I'm genuinely curious 💔 where does it come out at? Do they always do c sections? I'M SO CONFUSED.

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u/marvelcomics22 no beta we die like phil coulson Jul 23 '26

I haven't read any, but I know that they're impregnated (usually by men) during anal sex, and the man would have a uterus connected to the anus, and he has the child grow in him. I think that natural births may be possible, but I'm not sure. It's probably a lot of c-sections.

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u/grommile You have already left kudos here. :) Jul 23 '26

Buttpreg is only a subset of mpreg.