Doctors at Nemours/A.I duPont Hospital for Children want your baby's poop. Yep, you read that correctly. Dr. Matthew DiGuglielmo, chief of general pediatrics, is seeking dirty diapers for a study that ...

New parents soon learn that baby poop comes in all shapes, textures, and colors. Breastfed babies usually have seedy mustard-colored poop, while formula-fed infants have firmer yellow or brown poop.