[Pregnancy-associated hormones and fetal-maternal relations].


Pregnancy is an immunological paradox that implies that a semi-allogeneic fetus is not rejected by the maternal immune system, from implantation of the embryo to delivery. Progesterone (P4), estradiol (E2) and human chorionic gonadotropin (hCG), contribute to the transformation of immune cells in a transient tolerance state, necessary to the maintenance of… (More)
DOI: 10.1016/S0003-4266(16)30006-3


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