Primary dysmenorrhea is caused by strong contractions of the uterus trigged by prostaglandins, chemicals in the body that are involved in inflammation and that stimulate pain receptors. Higher levels of prostaglandins are associated with more menstrual pain.

Secondary dysmenorrhea can be caused by endometriosis (inflammation of the lining of the uterus), blood and tissue being discharged through a narrow cervex, uterine fibroid or ovarian cyst, infections of the uterus, pelvic inflammatory disease (PID) and intrauterine device (IUD).

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So many factors can lead to wrist pain, diagnosing the exact cause of long standing wrist pain sometimes can be difficult. The wrist is prone to pain because it is frequently overused and has a complicated anatomy, with many structures packed into a small space. The carpal tunnel is a narrow tunnel formed by the bones and other tissues of your wrist.

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