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Gestanin: Full Drug Profile
Medically reviewed by Min Clinic Staff | Updated: January 2026
Gestanin - General Information
A synthetic steroid with progestational activity. [PubChem]
Pharmacology of Gestanin
Gestanin is a progestogen structurally related to progesterone that has been given in threatened and recurrent miscarriage, and to prevent premature labour. However, with the exception of proven progesterone deficiency, such use is no longer recommended. In threatened miscarriage in progesterone-deficient women a suggested dose is 5 mg three times daily by mouth for 5 to 7 days.
Additional information about Gestanin
- Generic Name
- Allylestrenol
- Drug Type
- Small Molecule; Approved
- Other Brand Names containing Allylestrenol
- Perselin; Turinal; Gestanol; Gestanon; Gestormone; Orageston; Organon; Gestanin;
- Chemical IUPAC Name
- (8R,9S,10R,13S,14S,17R)-13-methyl-17-prop-2-enyl-2,3,6,7,8,9,10,11,12,14,15,16-dodecahydro-1H-cyclopenta[a]phenanthren-17-ol
- Chemical Formula
- C21H32O