This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Urogynecology, Subject name: Gynaecology & Obstetrics
[{'content': 'Complications of sling procedures (TVT) for USI are all except: \nSelect and explain. \nA. Injury to bladder and wound haematoma, B. Sling erosion paicularly with polytetrafluoroethyl- ene (Goretex), C. Overactive bladder in about 7% cases, D. Obturator nerve injury is about 10%', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Sling procedure employed for complicated cases of sphincter incompetence works by compressing urethra at the urethrovesical junction disadvantages:voiding difficulties, detrusor instability, sling erosion D.C.DUTTA&;S TEXTBOOK OF GYNAECOLOGY,Pg no:405,6th edition', 'role': 'assistant'}]