menstruation
The periodic discharge of blood and tissues from the uterus. This usually occurs about every four weeks in a woman who isn’t pregnant. Also called “a period.”
Last Updated
October 7, 2025
October 7, 2025
Last updated: October 7, 2025.
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There are many factors that influence our health. These factors are referred to as determinants of health. One kind of determinant of health is what is in our genes and our biology. Another determi...