Survey on Menstrual Symptoms, Health Related Quality of Life and Work Productivity in Patients Suffering From Pain During Menstruation (Dysmenorrhea) in Japan

Female patients with a diagnosis of dysmenorrhea will be enrolled after the decision for treatment with LEP or Non-LEP has been made by the physician. Patients who have been prescribed LEP or Non-LEP for a medically appropriate use will be eligible to be enrolled. Indications and contraindications according to the local market authorization should be carefully considered. Evidence of assessment of all eligibility criteria by the patients, as well as enrollment of a patient in the study should be documented in database of M3. Inclusion Criteria: Patients who meet all the inclusion criteria will be enrolled in this study. * Patients between the ages of 16 and 39 * Patients diagnosed with primary or secondary dysmenorrhea by gynecologists * Patients who can visit ob/gyn clinics or hospitals every 6 months to have consultations with gynecologists for treatment of dysmenorrhea * Patients who plan to be treated with drug for dysmenorrhea after enrollment in this study * Patients who are currently on Non-LEP therapies will be eligible for LEP cohort\*\* * Patients who can access the website to complete the questionnaire using mobile communication equipment such as mobile phones or tablets * Patients who submit an informed consent on the website before the start of this study Exclusion Criteria: Patients who meet any of the exclusion criteria will not be enrolled in this study. * Patients who have taken LEP for dysmenorrhea in the last 2 months before enrollment\* * Patients wi…