What Is the Main Cause of Dysmenorrhea? Center

Dysmenorrhea or menstrual cramps occur when the uterus contracts strongly during menstruation. The contraction of the uterus aids to expel its lining (endometrium) and clots out through the vaginal opening. Prostaglandin is the chemical responsible for the contraction of the uterus. Read more: What Is the Main Cause of Dysmenorrhea? Article

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