dysmenorrhea principle

Dysmenorrhea is clinically divided into primary dysmenorrhea and secondary dysmenorrhea. Primary dysmenorrhea patients, because the endometrium in menstruation will secrete a large number of prostaglandin, so that the uterus shows contractions, resulting in lower abdominal pain. Secondary dysmenorrhea, such as endometriosis patients, during menstruation, endometrial shedding caused by clinical bleeding from menstruation, endometriosis focus will also show bleeding phenomenon during menstruation, this will cause dysmenorrhea. In addition, uterine development abnormalities, during menstruation, the uterus will show uncoordinated contraction, so that the blood sinus in the uterus closed, this situation will also show dysmenorrhea.