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': 'Age related changes in lower urinary tract of women include all except \nSelect and explain. \nA. Decreased Oestrogen results in atrophy of urethral mucosal seal., B. Total bladder capacity decreases., C. Reduced urinary flow rate due to decreased detrusor contractility., D. Decrease in involuntary detrusor contractions.', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Involuntary detrusor contractions increase with age.', 'role': 'assistant'}]