Menstrual Flow

Last Updated: August 16 2022

Menstrual flow (also known as having a period) is the excretion of blood and tissue from the uterine lining through the vagina in the first phase of the menstrual cycle. Menstrual flow lasts for approximately 2–6 days, with a total volume of approximately 30–60 milliliters.

Examine Database: Menstrual Flow
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