The color should be yellow ... Stools of breast-fed babies usually have little odor, while formula fed babies may have a green or tan colored stool and a stronger smell. Most newborns move ...

"Dark green is actually the right color for newborn poop," says ... that's yellowish and sometimes slightly greenish. Formula-fed babies have poop that's more brown: usually tan, yellow/brown ...

So when baby is feeding normally, diapers will show regular signs of pee and poop. But don't be shocked if the poop changes color – and develops a disturbing odor – when you begin formula ...

If you've spotted mucus in your little one's diaper, here's what it might mean – and when to check in with a doctor.