If there’s one sure thing to look forward to as a new parent, it’s that you’re going to have a lot of diapers to change. And sometimes, what's IN those diapers can be pretty mysterious! Today, Children’s Wisconsin pediatrician Dr. Barbara Calkins gives us the real scoop on baby's poop - what’s normal, why it changes so much, and what it can tell you about what's going on inside your baby's body.