Causes of<unk> are not clearly established or understood. About 90% of cases of<unk> in children arise from an unknown cause. They can include infections, anatomical factors, and altered motility. * Meckel's diverticulum * Polyp * Duplication * Appendix * Hyperplasia of Peyer's patches * Idiopathic While an earlier version of the rotavirus vaccine was linked to<unk>  the current versions are not.
Intussusception 
Pyloric stenosis
Meckel's diverticulum
Vesicointestinal fistula
Enterocele
Meconium peritonitis
Rectal foreign body
Intestinal malrotation