Survey: How much blood will a woman bleed in her lifetime?

　　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. 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.

　　Women have so much physiological bleeding throughout their lives, but it does not affect their bodies healthy , and there is also a lot of data showing that the average life span of women is male high.

　　Although the reasons here are complicated, from the perspective of blood physiology, it is related to this unique physiological characteristic of women. This is because women's long-term small amount of bleeding stimulates the function of the hematopoietic organs in the body to be more vigorous, which not only helps to improve the blood circulation in the body, but also comprehensively improves the activity functions of various organs, tissue cells within the body.

　　This unique physiological characteristic of women brings them health and longevity, or it can be said to be a special "gift" bestowed by the "Creator" on the great mother of mankind.