RT Book, Section A1 Lowry, Adam W. A1 Bhakta, Kushal Y. A1 Nag, Pratip K. SR Print(0) ID 7451567 T1 Chapter 35. Gastroenterology T2 Texas Children's Hospital Handbook of Pediatrics and Neonatology YR 2011 FD 2011 PB The McGraw-Hill Companies PP New York, NY SN 978-0-07-163924-8 LK accesspediatrics.mhmedical.com/content.aspx?aid=7451567 RD 2024/04/25 AB The delayed passage of meconium may be the result of a mechanical or functional bowel obstruction.Virtually all infants, term and preterm, will have passed meconium by 48 h of age.The evaluation of any infant with delayed passage of meconium should begin with a thorough physical examination and history.For infants who are unstable, the infant must first be stabilized before the investigation begins as to the cause of delayed stooling.