SerifGrey t1_jdmun8q wrote
Reply to comment by Dragmire800 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
Sorry for my dumb question, I should of known it was none humans but I just didn’t think it through, thank you for the information, very interesting.
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