has role progesterone Wikipedia:Progesterone Akrolutin PDBeChem:STR Progesterone pregn-4-ene-3,20-dione CHEBI:26269 CHEBI:45786 Crinone 17alpha-progesterone corpus luteum hormone (S)-Progesterone progesterone Gelbkoerperhormon (S)-4-Pregnene-3,20-dione HMDB:HMDB0001830 DrugBank:DB00396 CHEBI:18798 KEGG:C00410 A C21-steroid hormone in which a pregnane skeleton carries oxo substituents at positions 3 and 20 and is unsaturated at C(4)-C(5). As a hormone, it is involved in the female menstrual cycle, pregnancy and embryogenesis of humans and other species. CHEBI:17026 CHEBI:14896 Delta(4)-pregnene-3,20-dione 4-Pregnene-3,20-dione CHEBI:8453 MetaCyc:PROGESTERONE KEGG:D00066 PROGESTERONE CHEBI:439 Progesteron (S)-Pregn-4-en-3,20-dione luteohormone Agolutin 20-oxo steroid 3-oxo-Delta(4) steroid contraceptive drug progestin C21-steroid hormone progesterone receptor agonist mouse metabolite human metabolite pregnane