serious complications of gynecologic surgery serious complications of gynecologic surgery serious complications of gynecologic surgery most serious complication of gynecologic surgery serious complications of gynecologic surgery most serious complication of gynecologic surgery most serious complication of gynecologic surgery most serious complication of gynecologic surgery most serious complication of gynecologic surgery most serious complication of gynecologic surgery serious complications of gynecologic surgery most serious complication of gynecologic surgery most serious complication of gynecologic surgery serious complications of gynecologic surgery