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Progesterone is a hormone produced in the ovaries during the second half of the menstrual cycle that helps prepare the uterus for pregnancy. Progesterone is also produced by the placenta during pregnancy.
When a woman reaches the end of her reproductive years and begins menopause, her level of progesterone declines.
Current as of: March 1, 2023
Author: Healthwise Staff
Medical Review:Adam Husney MD - Family Medicine & Anne C. Poinier MD - Internal Medicine & Martin J. Gabica MD - Family Medicine & Kathleen Romito MD - Family Medicine & Carla J. Herman MD, MPH - Geriatric Medicine & Heather Quinn MD - Family Medicine
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