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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.
Stages of Menopause. During menopause, a woman has her last menstrual period, usually around the age of 51. This marks the end of the fertile phase in a woman's life. The time before and after this last menstrual period, during which a woman's body goes through several changes, is divided into four stages of menopause. The graph below shows the hormonal fluctuations and menopause symptoms experienced during the stages of menopause.