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': 'All except one is true regarding bladder changes during pregnancy \nSelect and explain. \nA. Bladder pressure in primigravida increase from 8cm H2O early in pregnancy to 20cm H2O at term, B. Absolute and Functional urethral lengths are increased, C. Bladder capacity is increased, D. Intra urethral pressure is increased from 70 to 93cm H2O', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Absolute and functional urethral length\xa0is increased as a compensatory mechanism for reduced bladder capacity.', 'role': 'assistant'}]