Conclusions
In summary, HBL accounts for a large proportion of TBL. However, in gynecological surgery, doctors often neglect the critical indicator of HBL. In this study, risk factors for HBL in laparoscopic myomectomy were BMI, age, pre-operative value of Hct, degeneration of leiomyomas, location of leiomyomas cell types of leiomyomas. This result may give surgeons a better understanding of the HBL of myomectomy. We need to pay more attention to the characteristics of uterine fibroids and perioperative blood changes in order to effectively control HBL and accelerate patient recovery.