Gynecological examination, ultrasonography and magnetic resonance imaging (MRI) are performed preoperatively and after 1,3 and 6 months. Clinical follow up is planned after 1,3,6,12,24,36 and 60 months.A validated bleeding chard, Pictorial Blood Assessment Chart(PBAC)is filled in by the participants during the last menstruation period before treatment and before each control. A standardized questionnaire to assess the bleeding amount,pressure symptoms, pain, adverse events, other complains and patients satisfaction is also used.