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
In after coming head the following bone is perforated during craniotomy 
Select and explain. 
A. Occiput, B. Parietal, C. Palate, D. Frontal
A: Occiput
Answer: A: Occiput 
Explanation: 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