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I'd live to the ripe old age of died during childbirth (lemmy.world)

submitted 6 months ago by Stamets to c/tumblr

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[–] [email protected] 12 points 6 months ago

Fun fact, after you have a kid with someone the mother can no longer receive organs from you, even if you were comparable previously. It's because the baby is partially composed of the fathers proteins, and although the immune system is suppressed during pregnancy, it still recognizes those proteins. So the next time it encounters them, it considers them a foreign invader and attacks them, leading to an automatic rejection of the organ.