Few things make new parents study something as closely—or as nervously—as the contents of a diaper. Whether you’re changing your first newborn blowout or tackling your toddler’s latest potty surprise, ...

Baby poop colors can vary widely, but red, black, or white poop should prompt a call to the doctor. Soft, squishy poop is normal for babies on all-liquid diets, but hard or watery poop can signal ...