This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Abnormal labor, Subject name: Anatomy
[{'content': 'In after coming head the following bone is perforated during craniotomy \nSelect and explain. \nA. Occiput, B. Parietal, C. Palate, D. Frontal', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Craniotomy is perforating the fetal skull and evacuating the contents and then delivering the fetal pas. In after coming head in breech occipital bone is the perforation site', 'role': 'assistant'}]