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Alpacaofvengeance t1_issu2dq wrote

Reply to comment by crazyhadron in How is the human gut microbiome established in infancy or earlier on? by molllymaybe

Just to note that the uterus is not sterile - it contains its own flora, although it's not clear that this can cross the amniotic sac into the fetus's digestive tract.

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crazyhadron t1_ist4dm0 wrote

makes sense, it's partially open to the world for a few days every month, after all.

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