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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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The time usually taken for air to reach the descending colon after birth in a normal infant is:
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The correct answer is  Ans. (d) 8-9 hrs* Since there is no gas in the abdomen of a new born baby, in case we are investigating a baby with ano- rectal malformations, the X-Ray to be done shall be an INVERTOGRAM and should be done after 8 hours as that would the time taken for air to reach the descending colon and performing the X ray shall be fruitful.