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': 'In a case of direct occipitoposterior position (Face to pubis delivery) most commonly encountered problem is : \nSelect and explain. \nA. Intracranial injury, B. Cephalhematoma, C. Paraurethral tears, D. Complete perineal tears', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Complete perineal tears', 'role': 'assistant'}]