Understand the first dirty diapers. Early poop is meconium: a black or dark-green, thick, sticky, tar-like substance. It’s made up of intestinal cells, lanugo (the downy hair some babies are born with ...

Description: Poop can be pretty gross, but newborn poop is in a league of its own! We can learn a lot from a baby’s first poop, which forms before it's even had its first meal. Hosted by: Hank Green ...