Patients
We conducted a retrospective cohort study of 270 patients who underwent laparoscopic myomectomy (114 patients were treated with LESS-M and 156 patients were treated with CLM) from 1 July 2019 to 10 October 2020 at the Second Affiliated Hospital of Wenzhou Medical University. All surgeries were performed by senior gynecological treatment teams, among which senior gynecologists have more than ten years of clinical experience in myomectomy. The inclusion criteria were treatment by LESS-M or CLM, a postoperative pathological diagnosis of hysteromyoma, and general anesthesia during the operation. The exclusion criteria were hematological diseases, such as coagulation disorders; Undiagnosed cause of irregular bleeding; metabolic, hepatic, or renal complication; pregnancy or lactation; treatment with anti-platelet aggregants; and complicated with endometrial or cervical lesions.