progestin

progestin /pro·ges·tin/ (-jes´tin) progestational agent.

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pro·ges·tin (pr-jstn)

n.

1. A natural or synthetic progestational substance that mimics some or all of the actions of progesterone.

2. A crude hormone of the corpus luteum from which progesterone can be isolated in pure form. No longer in technical use.

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Progestin

A synthetic or natural drug that acts on the uterine lining.

Mentioned in: Emergency Contraception, Hormone Replacement Therapy

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progestin

[-jes′tin]

1 progesterone.

2 any of a group of hormones, natural or synthetic, secreted by the corpus luteum, placenta, or adrenal cortex that have a progesterone-like effect on the uterine endometrial lining to prepare it for implantation of the blastocyst.

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progestin (prōjes´tin),

n a hormone that suppresses the release of luteinizing hormone and thereby inhibits the onset of menstruation. Synthetically produced progestin and estrogen are used in combination as an effective contraception.

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progestin

originally, the crude hormone of the corpus luteum; it has since been isolated in pure form and is now known as progesterone. Certain synthetic and natural progestational agents are called progestins.