How is menopause defined?

Updated: Oct 16, 2018
  • Author: Janice L Bacon, MD; Chief Editor: Richard Scott Lucidi, MD, FACOG  more...
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Menopause is defined as the permanent cessation of menstrual periods that occurs naturally or that follows surgery, chemotherapy, or irradiation. Natural menopause is recognized after a woman has not had menses for 12 consecutive months and after other pathologic or physiologic (eg, lactation) causes are ruled out. The median age of women undergoing menopause is 52 years. [1]

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