Definition of menstruation in US English:



  • The process in a woman of discharging blood and other materials from the lining of the uterus at intervals of about one lunar month from puberty until menopause, except during pregnancy.

    • ‘Topics will include menstruation, sexuality, pregnancy and childbirth in a cultural context.’
    • ‘Women around the age of 50 are usually considered to be past their menopause if menstruation has not occurred for a year.’
    • ‘Typically, menstruation and ovulation cease with the menopause, at around age 51 or 52.’
    • ‘Women have higher iron needs because of physiological losses through menstruation and pregnancy.’
    • ‘Your temperature rises after ovulation and falls back down again at menstruation, until the next time you ovulate.’
    period, menstrual cycle
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