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': 'Urinary symptoms of procidentia: \nSelect and explain. \nA. Frequency of micturition, B. Retention of urine, C. Stress incontinence, D. All of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. is d, i.e. All of the aboveRef: Dutta Gyane 6th/ed, p208All the urinary symptoms given in the options can occur in case of prolapse."Retention of urine may rarely occur." - Ref: Dutta Gyane 6th/ed, p208', 'role': 'assistant'}]