mtled t1_jdn53f2 wrote
Reply to comment by Zombieff 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
The cells of the placenta are the foetus' DNA. It is not her organ, it is the foetus'.
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