Causes for Meconium Absence After Childbirth
Newborn babies can fail to excrete meconium (the first poop) within 48 hours of birth due to an obstructed intestine, Hirschsprung disease, or cystic fibrosis.
Meconium Plug Syndrome - Causes, Diagnosis, and Treatment
Meconium plug syndrome is the inability of the newborn to pass the meconium (first stool) within the first 24 to 72 hours of life.