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In this study, women at risk for BRCA were surveyed to understand their choice of prophylactic surgery and associated risk of uterine cancers. The study was conducted as an anonymous online web-based survey that assessed personal and family histories and choice of prophylactic surgery. Respondents were targeted through social media groups that bring awareness to hereditary breast and ovarian cancer.The study cohort included an international group of 601 respondents. The majority were female (99.3%), in their 40s (34.2%), and had completed college or graduate school (68.8%). 87% of respondents carry BRCA gene mutation. Of 339 respondents who underwent risk-reducing salpingo-oophorectomy (RRSO), 55.8% had a hysterectomy at time of RRSO. Most common reasons for hysterectomy at time of RRSO included: 39% provider recommendation, 27.6% personal desire, 9.7% benign indications, 1.6% cancer in uterus, 1.1% precancerous uterine lesion, and 21.1% other (N = 185). In this cohort, nine were diagnosed with uterine cancer. Three were diagnosed after risk-reducing surgery. Both patients with uterine serous carcinoma were BRCA1 carriers.Two thirds of BRCA carriers surveyed had undergone RRSO. Of these, more than half had hysterectomy at time of RRSO. One third chose to have hysterectomy based on surgeon recommendation.