Unborn babies can poop in the womb. They pass a substance called meconium, which goes into the amniotic fluid. If a baby ingests meconium on delivery, it can have health consequences. Meconium is ...

Most babies don't poop until after they're born, but some will have their first bowel movement in the uterus before birth. Here's what parents should know. Medically reviewed by Wendy L.

Baby's first poop is one of the first milestones your little one will hit — maybe even before coming out of the womb. The official name for this bowel movement is called meconium and fair ...