Early in pregnancy, something strange happens in the uterus: Cells from the fetal side of the developing placenta invade the uterine endometrium and work with the mother’s immune system to remodel the arteries.
Early in pregnancy, something strange happens in the uterus: Cells from the fetal side of the developing placenta invade the uterine endometrium and work with the mother’s immune system to remodel the arteries.
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