This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Gastrointestinal tract, Subject name: Pediatrics
[{'content': 'Commonest cause of intestinal obstruction in children is \nSelect and explain. \nA. Intussusception, B. Volvulus, C. Hernia, D. Adhesions', 'role': 'user'}, {'content': 'Answer: A \nExplanation: .Intussusception Most common in children Primary or secondary to intestinal pthology eg:polyps,appendix Ileocolic is the most common variety Can lead to ischaemic segment peak incidence at 3-9 months BAILEY AND LOVE&;S SHO PRACTICE OF SURGERY,PG NO:1195, 24 th edition', 'role': 'assistant'}]