A–Z Glossary

Breastfed stool

Breastfed stool is usually soft or loose, mustard-yellow or yellow-green, and may contain small seed-like particles.

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Newborn poop color guide

Newborn poop color guide

The normal newborn stool transition The first stool is called meconium. It is made from material accumulated in the intestine before birth, including mucus, intestinal cells, and other substances. Meconium is typically thick, sticky, and difficult to clean. Its color may be black, dark green, or nearly black. Most newborns pass meconium during the first […]