i had a investigative laproscrapy,a simple cyst drained,diathermy of the cervix , lesion was sent away and had mirenna coil fitted on september 12.i was suffering from right side pain and heavy periods,since having the op i started bleeding on the 15th and havent stopped.a doctor has prescribed norethisterone to stop bleeding as its heavy,im on day 3 and it hasnt stopped,i feel drained and faint its awful.i thought mireena was meant to slow bleeding.