To Evaluate the Safety and Effectiveness of Intrauterine Adhesion Preventer in the Prevention and Treatment of Intrauterine Adhesions, a Prospective, Multicenter, Randomized Controlled Clinical Trial

Inclusion criteria

• Patients clinically diagnosed with intrauterine adhesions and with surgical indications (referring to those with fertility requirements or obstructed menstrual blood drainage) ② Women aged 20-40 years old; ③ Subjects voluntarily participated in the trial and signed informed consent.

Exclusion criteria

• ① Patients with obviously abnormal uterine cavity shape after surgery; those who could not clearly separate the normal uterine cavity anatomical morphology (i.e. bilateral or unilateral fallopian tube openings were not visible); those with reproductive organ malformations and uterine cavities that were too large or too small; those with recent uterine perforation; those with cervical insufficiency.

• Those with a history of intrauterine adhesions and treatment;

• Those with endometrial tuberculosis or suspected endometrial tuberculosis;

• Those with adenomyosis or uterine fibroids>4cm;

• Those with a history of malignant tumors or suspected malignant tumors;

• Those with acute and chronic intrauterine infection and genital infection;

• Those with unexplained vaginal bleeding or suspected uterine malignant lesions;

• Those with severe anemia and abnormal coagulation function; those with a history of thrombosis; ⑨ Those in the acute stage of various diseases or severe systemic diseases;

• Those with severe mental illness and physical weakness who cannot tolerate this operation;

⑪ Those with severe heart, liver, and kidney function diseases;

⑫ Those with contraindications to anesthesia or surgery;

⑬ Those who have participated in clinical trials in the past three months.

• Those who are considered unsuitable for inclusion by the researchers.