title: The genesis of research on the progestins.
mesh_terms: D000818:Animals; D003338:Corpus Luteum / Q000502:physiology; D005260:Female; D049669:History, 16th Century; D049670:History, 17th Century; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D008598:Menstruation; D010060:Ovulation; D011247:Pregnancy; D011372:Progestins / Q000266:history* / Q000302:isolation & purification / Q000502:physiology
chemical_list: D011372:Progestins