Study on the Effect of Intravenous Ascorbic Acid on Intraoperative Blood Loss in Women With Uterine Myoma

Placebo-controlled,Doubled,Randomized Trial Evaluating the Effect of Intravenous Ascorbic Acid on Intraoperative Blood Loss in Women Undergoing Laparoscopic Myomectomy

The investigators want to know whether the intravenous ascorbic acid would reduce the blood loss during laparoscopic myoma surgery. The investigators randomized patients into intravenous ascorbic acid group and placebo group and examined the blood loss in both groups.

Inclusion Criteria:

• uterine myoma
• be planning to laparoscopic myomectomy
• images ; the number of myoma <4
• images ; the diameter of the largest myoma <9cm

Exclusion Criteria:

• be planning other surgery in addition to laparoscopy
• clinically significant coagulation abnormality