• adjective
• synonym
• antonym

• menstrual blood (noun)
  1. flow of blood from the uterus; occurs at roughly monthly intervals during a woman's reproductive years
• menstrual cycle (noun)
  1. beginning at menarche and ending at menopause a recurring cycle in which the endometrial lining of the uterus prepares for pregnancy; if pregnancy does not occur the lining is shed at menstruation
• menstrual flow (noun)
  1. flow of blood from the uterus; occurs at roughly monthly intervals during a woman's reproductive years
• menstrual period (noun)
  1. formal the time each month when a woman menstruates [=  period]
  menstrual period
• menstrual phase (noun)
  1. the first day of menstrual flow is considered day 1 of the menstrual cycle the phase of the menstrual cycle during which the lining of the uterus is shed
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