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': 'High affinity Oestrogen receptors are found frequently in following except \nSelect and explain. \nA. Urethra, B. Bladder trigone, C. Pubococcygeal muscle, D. Ureter.', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Estrogen receptor in urinary tract are found frequently in:\n\nBladder trigone\nUrethra.\n\nand also in pubococcygeus muscle.', 'role': 'assistant'}]