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Perimenopause is the span of years before menopause when a woman's
hormone levels and menstrual periods become irregular. Perimenopause has been
described as "going through menopause" or "being in menopause."
After 1 year of having no periods, a woman has reached menopause.
This is usually around age 50. In the years before menopause, changing hormone
levels, particularly estrogen and progesterone, cause perimenopausal symptoms.
These typically start in a woman's mid-40s, and they continue for a year or two
Some women have mild perimenopausal symptoms. Others have severe
symptoms that affect their sleep and daily lives. Symptoms can include:
Current as of:
February 25, 2016
Anne C. Poinier, MD - Internal Medicine & Martin J. Gabica, MD - Family Medicine & Carla J. Herman, MD, MPH - Geriatric Medicine
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