antiprogestin
A substance that inhibits progesterone formation, that interferes with its carriage or stability in the blood, or that reduces its uptake by, or effects on, target organs ( e.g., RU-486).

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an·ti·pro·ges·tin (an″te-) (an″ti-pro-jesґtin) a substance that inhibits the formation, transport, or action of progestational agents, e.g., mifepristone.

Medical dictionary. 2011.

Look at other dictionaries:

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