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: Pediatrics
[{'content': 'Cephalhematoma usually disappears within – \nSelect and explain. \nA. 3–5 months, B. 2–5 weeks, C. 3–5 weeks, D. 5–7 weeks', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Cepholhematoma is a subperiosteal hemorrhage usually involving parietal and temporal bones.\nIt is more common in forceps delivery, vaccum extraction and prolonged labor.\nIt is soft and fluctuant swelling with well defined margins.\nA cepholhematoma crossing the midline indicates underlying fracture of the skull —>fracture is linear not depressed.\nIt disappears between 2 week to 3 months.', 'role': 'assistant'}]