Editing Constipation (section)

=== Congenital ===
[[Congenital disorder|A number of diseases present at birth]] can result in [[constipation in children]]. They are as a group uncommon with Hirschsprung's disease (HD) being the most common.<ref>{{Cite book|title=Constipation: etiology, evaluation and management|last=Wexner|first=Steven|publisher=Springer|year=2006|location=New York}}</ref> There are also congenital structural anomalies that can lead to constipation, including anterior displacement of the anus, [[imperforate anus]], strictures, and small left colon syndrome.<ref name =JournalOPGAN/>