Pediatric Surgical Associates
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Pediatric Surgical Associates

Imperforate Anus

An imperforate anus is a congenital defect in which the opening to the anus is missing or blocked. It is caused by abnormal development of the fetus and can occur with other birth defects. 


  • Swollen belly
  • Baby does not pass stool within 24 – 48 hours after birth 
  • Anal opening is near the vaginal opening in girls 
  • Missing or moved opening to the anus 
  • Stool is passed through the vagina, base of the penis, scrotum or urethra 


  • Surgery is needed to repair the defect
  • Usually a temporary colostomy is needed
  • Patient need an evaluation to look for other associated abnormalities such as renal, cardiac, and spine anomalies.
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We look forward to the privilege of treating your young one.