this post was submitted on 22 Apr 2024
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TIL that being allergic to your own baby is a thing that can happen
I swear, the more I learn about biology the more shocked I am that we've survived 4 billion years
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.
it's just with certains tyoe of blood tho, and the first child grow normal, is only second one, because the woman body learn about the foreign blood