群孕酮

{{Drugbox
| IUPAC_name = (8S,9S,10R,13S,14S,17S)-17-acetyl-6-chloro-10,13-dimethyl-8,9,11,12,14,15,16,17-octahydrocyclopenta[a]phenanthren-3-one
| image = Trengestone.svg
| width = 225px

| tradename = Reteroid, Retroid, Retrone
| pregnancy_AU =
| pregnancy_US =
| pregnancy_category =
| legal_AU =
| legal_CA =
| legal_UK =
| legal_US =
| legal_status = Rx-only
| routes_of_administration = By mouth
| class = Progestin; Progestogen

| bioavailability = ≥41–46% (based on urinary excretion)
| protein_bound =
| metabolism = Liver
| metabolites = • 20α-Dihydrotrengestone
参考文献