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Despite U.S. reports suggesting higher mortality when bilateral oophorectomy (BO) is performed at the time of hysterectomy (NEJM JW Womens Health May 2013 and Obstet Gynecol 2013; 121:709), many women still undergo BO. To further evaluate the associations between ovarian conservation and health outcomes, U.K. investigators performed a nationwide retrospective study of some 114,000 women (age range, 35–45; median age, 42) without histories of breast or gynecologic cancer who underwent hysterectomy with ovarian conservation (67%) or BO (33%) between 2004 and 2014.
At a mean follow-up of 6.2 years, all-cause mortality was lower with ovarian conservation than BO (0.60% vs. 1.01%; adjusted hazard ratio, 0.64; P<0.001); death rates from heart dise…