What is the role of ovarian torsion in the etiology of dysmenorrhea?

Updated: Sep 23, 2019
  • Author: Karim Anton Calis, PharmD, MPH, FASHP, FCCP; Chief Editor: Michel E Rivlin, MD  more...
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Ovarian torsion involves twisting of the adnexal structures, which leads to ischemia and ultimately necrosis if the process is not reversed in time. In a nonpregnant woman, it is almost always caused by an abnormality in the ovary, such as a cyst or a tumor. Torsion can occur in pregnancy without a requisite adnexal abnormality, and in one large series, 20% of the patients found to have torsion were pregnant. [32]

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