This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Labour - II, Subject name: Gynaecology & Obstetrics
[{'content': 'All are true about cephalhematoma except: \nSelect and explain. \nA. Occurs due to subcutaneous edema, B. Seen mostly over Parietal bone, C. Treatment is conservative, D. May require blood transfusion', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Cephalohematoma- These are cranial sub-periosteal hematomas They develop due to laceration of Emissary or Diploic veins Hemorrhage can be over 1 or both parietal bones It may require blood transfusion if hematoma is massive Treatment is mainly conservative.Large hematomas may require Aspiration /Surgical Intervention', 'role': 'assistant'}]