This article presents a study which examined the trends in rates of elective bilateral salpingo-oophorectomy in the U.S. and the association between perioperative complications and elective bilateral salpingo-oophorectomy. The study used data from the Nationwide Inpatient Sample of the Healthcare Cost and Utilization Project from 1998 through 2006. The research found the presence of elective bilateral salpingo-oophorectomy in 39 percent of the 2,250,041 women who underwent hysterectomy during the study period.