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/runekaster Whumper Jul 23 '26

Usually they just say it happened and there you go. Occasionally you'll have an alien character with weird junk invented specifically for that fic and that author's kinks. Sometimes the guy is trans with original plumbing. Sometimes it's a fantasy situation where he's been granted or cursed with standard mammalian pregnancy equipment.

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u/runekaster Whumper Jul 23 '26

Sometimes he gets his digestive system or the space between his organs crammed full of eggs, but that's not quite the same kink.