EP2841073A1 - APPLICATION OF 18-METHYL-15SS,16SS-METHYLENE-19-NOR-20-SPIROX-4-EN-3-ONE SYSTEMS IN THE TREATMENT OF MENORRHAGIA, AS WELL AS INTRAUTERINE SYSTEMS CONTAINING 18-METHYL-15SS,16SS-METHYLENE-19-NOR-20-SPIROX-4-EN-3-ONE FOR TREATING UTERINE BLEEDING DISORDERS