Most common cause ofAcute Intestinal Obstruction in neonates is -
Jejuna! atresia
Malrotation
Duodenal atresia
Acute Intussusception
Ans. is 'c' i.e., Duodenal atresiao Most common cause of neonatal intestinal obstruction Meconium plug syndrome.o Second most common cause of neonatal intestinal obstruction Duodenal atresia.Impoant causes of intestinal obstruction in newbornMeconium plug syndrome o Duodenal atresia o Jujunoileal atresiaMalrotation of gut o Meconium ileusMeconium plug syndrome --> when meconium plug causes obstruction of colon. It is seen in Hirschsprung disease, maternal DM, maternal preeclampsia, prematurity, sepsis, hypothyroidism.Meconium Ileus --> when meconium plug obstruct ileum. It is seen in cystic fibrosis.Note ?o Intussusception is the most common cause of intestinal obstruction between 3 months and 6 year of age (not in neonate).