How much blood does a woman bleed during menstruation?

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　　from female Appears once a month starting from puberty Uterus The lining of the uterus sloughs off and bleeds, which is called menstruation. Under normal circumstances, a woman's menstrual cycle starts to be irregular when she is 12-14 years old, and gradually becomes regular after 1-2 years. Menstruation gradually stops around the age of 45, and the time after menopause is called menopause Expect.

　　So, do you know how much menstrual blood a woman will bleed in her lifetime? According to survey statistics, a woman’s bleeding volume during each menstrual period is about 75 milliliters. Calculated based on a 30-year menstrual period, the total bleeding volume of a woman is about 27,000 milliliters (excluding childbirth bleeding), which is equivalent to the entire blood volume in the body of 5.5 people weighing 60 kilograms.