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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 caused by hormonal changes, including altered levels of reproductive hormones including: gonadotropin-releasing hormone (GnRH), follicle-stimulating hormone (FSH), luteinizing hormone (LH), estrogen (three types including estrone, estridiol and estriol), progesterone and testosterone.