title: On the role of estradiol and progesterone in parturition. An updated proposal.
mesh_terms: D000818:Animals; D004958:Estradiol / Q000502:physiology*; D005260:Female; D006168:Guinea Pigs; D006801:Humans; D007743:Labor, Obstetric; D011247:Pregnancy; D011374:Progesterone / Q000502:physiology*; D011817:Rabbits
chemical_list: D011374:Progesterone; D004958:Estradiol