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Menopause is defined as the final episode of menstrual bleeding and occurs at a median age of 51 years. It is the consequence of depletion of ovarian follicles or of oophorectomy. The onset of perimenopause, when fertility wanes and menstrual irregularity increases, precedes the final menses by 2-8 years.

Outline

Section 13. Endocrinology and Metabolism