This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Gynaecology & Obstetrics
[{'content': 'The disadvantage of Marshall marchetti Krantz procedure compared with other surgical alternatives for treatment of stress urinary incontinence includes? \nSelect and explain. \nA. Urinary retention, B. Increased incidence of urinary tract infections, C. High failure rate, D. Osteitis pubis', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Marshall-Marchetti-Krantz (MMK) procedure, involves the attachment of the periurethral tissue to the symphysis pubuis. In approximately, 3% of patients undergoing the procedure, osteitis pubis develops.', 'role': 'assistant'}]