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: Surgery
In newborn the most common cause of intestinal obstruction is 
Select and explain. 
A. Annular pancreas, B. Esophageal atresia, C. Duodenal atresia, D. Jejunal atresia
C: Duodenal atresia
Answer: C: Duodenal atresia 
Explanation: None