Clogestone acetate (; developmental code AY-11440; also known as chlormadinol acetate or 3β,17α-diacetoxy-6-chloropregna-4,6-diene-20-one) is a steroidal progestin which was investigated as a progestin-only contraceptive and postcoital contraceptive but was never marketed. It is the diacetate ester of clogestone, which, similarly was never marketed. Clogestone acetate produces chlormadinone acetate as an active metabolite.

See also List of progestogens List of progestogen esters

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