To Evaluate Anti-adhesive Effect and Safety of a Mixed Solid of Poloxamer, Gelatin and Chitosan(Mediclore®)

Inclusion Criteria: * the patients with submucosal myomas, endometrial polyps, intra-uterine adhesion, uterine septa, dysfunctional uterine bleeding * Written informed consent * Patients without clinically significant lab Exclusion Criteria: * having enrolled another clinical trials within 1 month * Immunosuppression or autoimmune disease * Anticoagulant, general steroids within a week from surgery * Incompatible medications * Serious diseases (heart failure, renal failure, liver failure, uncontrolled hypertension, diabetes mellitus, coagulation deficiencies)