title: Gestational changes in steroid hormone biosynthesis, secretion, metabolism, and action.
abstract: This article examines the regulatory mechanisms and anatomic interrelationships governing pregnancy-related steroid hormones from conception through parturition.
mesh_terms: D019326:17-alpha-Hydroxyprogesterone; D000302:Adrenal Cortex / Q000378:metabolism; D000305:Adrenal Cortex Hormones / Q000378:metabolism; D000818:Animals; D003338:Corpus Luteum / Q000502:physiology; D003339:Corpus Luteum Hormones / Q000378:metabolism; D010064:Embryo Implantation; D004622:Embryo, Mammalian / Q000502:physiology; D004717:Endometrium / Q000648:ultrastructure; D004958:Estradiol / Q000378:metabolism; D004964:Estriol / Q000378:metabolism; D005260:Female; D005306:Fertilization; D005333:Fetus / Q000378:metabolism; D006801:Humans; D006908:Hydroxyprogesterones / Q000378:metabolism; D007743:Labor, Obstetric; D010920:Placenta / Q000378:metabolism; D011247:Pregnancy; D011374:Progesterone / Q000378:metabolism; D011372:Progestins / Q000378:metabolism / Q000502:physiology*; D011987:Receptors, Steroid / Q000502:physiology
chemical_list: D000305:Adrenal Cortex Hormones; D003339:Corpus Luteum Hormones; D006908:Hydroxyprogesterones; D011372:Progestins; D011987:Receptors, Steroid; D011374:Progesterone; D004958:Estradiol; D019326:17-alpha-Hydroxyprogesterone; D004964:Estriol