To compare the efficacy in postoperative hemostasis and in sparing postoperative ovarian function between FloSeal and Electrocauterization in laparoscopic ovarian cystectomy

Inclusion Criteria:

• Premenopausal women
• Patients who is planned to undergo laparoscopic ovarian cystectomy
• American Society of Anesthesiologists Physical Status classification (ASA PS) 1-2
• Patients with adequate bone marrow, renal and hepatic function:

WBC > 3,000 cells/mcl Platelets >100,000/mcl Creatinine <2.0 mg/dL Bilirubin <1.5 x normal and SGOT or SGPT <3 x normal

• Patient must be suitable candidates for surgery
• Patients who have signed an approved Informed Consent

Exclusion Criteria:

• Patients with a history of pelvic or abdominal radiotherapy;
• Patients who are pregnant or nursing
• Patients who is receiving or requires hormone replacement therapy after surgery
• Patients who is undergoing hysterectomy at this time
• Patients who is undergoing unilateral or bilateral oophorectomy
• Previous history of ovarian cystectomy or oophorectomy
• Patients with contraindications to surgery
• Unfit for Surgery: serious concomitant systemic disorders incompatible with the study (at the discretion of the investigator)
• Patient compliance and geographic proximity that do not allow adequate follow-up.
• Hormone therapy within 3 months before surgery