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what does menstruation mean

Time:2024-04-13 Viewed:()

  Menstruation is a special physiological phenomenon manifested by the shedding of the endometrium in mature women once a month.

  The menstrual cycle should be about twentyeight days, and the menstrual cycle should be no more than seven days early or late.

  Under normal circumstances, menstrual flow should be moderate, and the menstrual period usually lasts three to seven days.



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