This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Surgery
A child with cramping pain and current jelly stools. Diagnosis is 
Select and explain. 
A. Volvulus, B. Intussupection, C. Dysentery, D. Umbilical hernia
B: Intussupection
Answer: B: Intussupection 
Explanation: .Intussusception Clinical Features * Common in males (3:2). * Common in 6-9 months. But can also occur at later age grouped children. * Common in spring and winter, coinciding with the gastroenteritis and respiratory infections in respective periods. * Commonest cause of intestinal obstruction in infancy. * Initial colicky abdominal pain (75%) which eventually becomes severe and persistent. * Sudden onset of pain in a male child, with progressive distension of the abdomen, vomiting, with passage of "red-currant-jelly'stool. ref:SRB&;S manual of surgery,ed 3,pg no 863