This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Urinary Fistulas, 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: Ans. is d, i.e. Osteitis pubisRef: Telinde 9th/ed, p1057-8; Textbook of Gynae, Sheila Balakrishnan 1st/ed, p329Marshall-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'}]