This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Contracted Pelvis, Subject name: Gynaecology & Obstetrics
[{'content': 'Deep transverse arrest is seen in- \nSelect and explain. \nA. Androidpelvis, B. Gynaecoid, C. Anthropoid, D. Platypoid', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Android pelvis Gynecoid pelvis : This is suitable for vaginal delivery.Android pelvis : Associated with deep transverse arrest.Anthropoid pelvis : Associated with persistent OP position .Plattypeloid pelvis : Associated with obstructed labour.", 'role': 'assistant'}]