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Premature menopause is menopause that happens before the age of 40 â whether it is natural or induced. Women who enter menopause early get symptoms similar to those of natural menopause, like hot flashes, emotional problems, vaginal dryness, and decreased sex drive.
Menopause is defined as the absence of menses for 1 year. Women usually experience menopause between 40 and 55 years of age, with the median age being 51. Smokers and women with chronic illnesses tend to experience menopause at an earlier age (Box 1).