Mirena in Idiopathic Menorrhagia

Inclusion Criteria: * Woman diagnosed with idiopathic Menorrhagia according to assessment of the investigator and according to international guidelines. These woman should also accept to be on contraception during the time period that they have Mirena in situ. * Age limit 30-45 * BMI= 18-34 * Signed informed consent Exclusion Criteria: * Medical conditions featured in the Mirena data sheet (See Appendix 1) that contraindicate its use, listed below: * Known or suspected pregnancy; current or recurrent pelvic inflammatory disease; infection of the lower genital tract; postpartum endometritis; septic abortion during the past three months; cervicitis; cervical dysplasia; uterine or cervical malignancy; undiagnosed abnormal uterine bleeding; congenital or acquired abnormality of the uterus including fibroids if they distort the uterine cavity; conditions associated with increased susceptibility to infections; acute liver disease or liver tumor; known hypersensitivity to any of the constituents of the product. * Nulliparity * Consumption of Iron, Antiprostaglandins, hormonal drugs and any medication that could effect bleeding should be stopped at least 3 months before the first visit and should not be used during the course of the study. * History of diabetes mellitus,cardiovascular disease and thyroid abnormalities * Anticoagulation therapy * Cancer history including breast cancer.