Data collection
We have retrospectively reviewed all patient medical data, including age, weight, height, body mass index (BMI), surgical time, surgical bleeding, type of surgery (LESS-M and CLM), pre-operative and post-operative haematocrit (Hct) and haemoglobin (Hb), the use of pituitrin, the number of leiomyomas (1,2-3 or >3), the volume of largest removed leiomyoma, location of largest removed leiomyoma in the uterus ( uterine body or cervix ), types of largest removed leiomyoma in the uterus ( submucosal, subserous or intramural ), degeneration of largest removed leiomyoma in the uterus (denatured or not ) and cell types of largest removed leiomyoma in the uterus (cellular or not ).