title: Early pregnancy decidual development and changes in serum progesterone and 17 beta-estradiol levels and progesterone receptors.
mesh_terms: D003656:Decidua / Q000378:metabolism / Q000502:physiology*; D004958:Estradiol / Q000097:blood*; D005260:Female; D006801:Humans; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D011374:Progesterone / Q000097:blood*; D011980:Receptors, Progesterone / Q000378:metabolism*
chemical_list: D011980:Receptors, Progesterone; D011374:Progesterone; D004958:Estradiol