The causes of elevated leukocytes in dysmenorrhea blood counts are considered to be related to IUDs, pelvic infections, vaginal infections and other factors. 1. Intrauterine device: for some women, the intrauterine device may cause secondary dysmenorrhea, which is mainly related to the damage and secondary infection caused by the intrauterine device, so those who have intrauterine device may have elevated blood leukocytes. 2. Pelvic infection: patients with dysmenorrhea have elevated blood leukocytes, which can not be excluded and pelvic infection, especially in the case of sexually transmitted bacteria induced, in the case of chronic inflammation, it will also cause pelvic congestion and scar adhesion, causing lower abdominal cramps, and there will be elevated leukocytes in the routine blood test. 3. Other infections: If women experience abdominal pain during menstruation may not always be caused by gynecological factors, such as intestinal infections, urinary tract infections, appendicitis infections, etc., it may be mistaken for dysmenorrhea, and there are leukocyte elevations in routine blood tests. Dysmenorrhea blood routine leukocyte elevation may also exist other causes, it is recommended that the patient should have to do further examination, to be able to clarify the diagnosis, and then do treatment and therapy.