This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous (Gynae), Subject name: Gynaecology & Obstetrics
[{'content': 'Sub pubic angle is: \nSelect and explain. \nA. <65deg, B. 65-75deg, C. 85deg, D. 110-120deg', 'role': 'user'}, {'content': 'Answer: C \nExplanation: (85deg) (92-Dutta 6th)Subpubic angle - it is formed by the approximation of the two descending pubic rami. In normal female pelvis, it measures 85deg.', 'role': 'assistant'}]