Efficacy and Safety of Crosslinked Hyaluronan Gel for Preventing Intrauterine Adhesion

Exclusion Criteria

• •Patients who is allergic to hyaluronan or its derivatives.
• •Patients with inflammation of reproductive organs, pelvic cavity inflammation, malignant tumor of reproductive organs and other systemic diseases that could cause metrorrhagia.
• •Patients with malformation of reproductive organs.
• •Patients who may not take effective contraceptive measures within 3 months after the surgery. Patients who were suffering severe systemic diseases such as coagulative disorders, cardiovascular diseases and long-term alcoholism and drug abuse were also excluded from this clinical trial.