Endocrine Abstracts

Mammalian pregnancy is characterized by tremendous changes and adaptations in the endocrine as well as in the immune system. Early in pregnancy, levels of female sex hormones, progesterone (P4) and estradiol (E2) produced by the corpora lutea (CL) significantly rise, promoting huge modifications of the uterine epithelium ensuring embryo implantation. Once the embryo is implanted, trophoblast cells produce and release increasing levels of human chorionic g...