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• n  the monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause
  the women were sickly and subject to excessive menstruation

• A maverick scientist contends that menstruation protects against infection.
• Since the endocrine system plays a critical role in the timing of menstruation, there is at least a strong circumstantial case that the two are linked.
• With Lybrel, the dummy pills are replaced with daily doses of hormones, eliminating menstruation altogether.

• menses
• menstruum
• catamenia
• period
• flow

News & Articles

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• A Taboo Topic: Menopause, Vaginal Dryness, and Painful Intercourse
  Menopause: A Natural Biological Process Menopause can be a difficult transition in a woman’s life. The average age for menopause is 51 and marks the permanent end of menstruation and fertility. It is a natural biological process, but can often leave women feeling less feminine and even less healthy, vital and sexual. One side effect [...]
  July 21, 2013 - Injury Board

Quotes

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• David Pountney in guardian.co.uk
  The mezzo-soprano who played the witch Jezibaba was taken aback when Pountney told her to "look for blood on the sheets, a sign of Rusalka's reaching the age of menstruation".