A term baby girl presents on the 2nd day of life with abdominal distention and bilious emesis. No meconium has passed. On examination, the abdomen is distended, but soft and not-tender. There is no mass. A patent anus is found in a normal position. Digital exam encounters resistance above the anal canal. Insertion of a 6-mm Hegar dilator is followed by meconium passage. Plain film and contrast enema are shown.
What would you do next?
What would you do next?
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