Progestin


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Progestin


Progestin is a synthetic hormone used to affect a woman's body in the same ways as the hormone progesterone. The ovaries produce progesterone during the second half of the menstrual cycle to help prepare the uterus for pregnancy; at the time of menopause, the level of progesterone declines.

Progesterone regulates the cyclic growth and breakdown of the uterine lining (endometrium). When a woman's progesterone levels are low, progestin can be used to treat endometrial problems such as heavy, irregular menstrual bleeding. Women with an intact uterus who take estrogen are also prescribed progestin, which prevents the estrogen from causing cancerous cell growth in the endometrium.

Credits


Author Kathe Gallagher, MSW
Editor Alison Allen
Editor Kathleen M. Ariss, MS
Associate Editor Pat Truman, MATC
Primary Medical Reviewer Joy Melnikow, MD, MPH - Family Medicine
Specialist Medical Reviewer Ross Berkowitz, MD - Obstetrics and Gynecology
Last Updated November 27, 2006

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Last updated: November 27, 2006
Author: Kathe Gallagher, MSW
Reviewed By: Joy Melnikow, MD, MPH - Family Medicine, Ross Berkowitz, MD - Obstetrics and Gynecology
Editors: Kathleen M. Ariss, MS, Pat Truman, MATC

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