progestin Hear it!

progestin definition

pro·ges·tin (prō jes′tin)

noun

any of various natural or synthetic steroid hormones, as progesterone, that cause progestational activity, used in birth control pills, in hormone therapy, etc.
often called progestogen pro·ges′·to·gen (prō jes′tə jən)

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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