Transvaginal ultrasound-guided oocyte retrieval is generally a safe and well-tolerated procedure that is usually associated with few overall complications (less than 5%), including mild vaginal hemorrhage and infection. Injury to the ureter during oocyte retrieval has only been reported in 6 cases to date. We report a case of ureterovaginal fistula that formed approximately 7 days after oocyte retrieval. A percutaneous nephrostomy tube was placed using ultrasound guidance, and the fistula was allowed to close secondarily. Although a rare complication, physicians should be conscious of this type of injury after oocyte retrieval so that prompt diagnosis and treatment can be pursued.
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