mittenknittin t1_jdmveh2 wrote
Reply to comment by CapitalistVenezuelan in TIL, the placenta that forms with a fetus isn't created by the mother. It grows from the fertilized egg and some fetuses actually develop outside the uterus attached to the intestines in the body cavity. by darw1nf1sh
To the extent that it grows from resources provided by the mother’s body, sure. But the coded instructions, so to speak, for growing the placenta, come from the fetus.
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