title: Progestogens have been defined as hormones whose function is to ensure the maintenance of pregnancy.
mesh_terms: D004717:Endometrium / Q000378:metabolism; D005260:Female; D049673:History, 20th Century; D006801:Humans; D011247:Pregnancy; D011372:Progestins / Q000266:history / Q000378:metabolism / Q000502:physiology*; D011987:Receptors, Steroid / Q000378:metabolism
chemical_list: D011372:Progestins; D011987:Receptors, Steroid