A–Z Glossary

Formula-fed stool

Formula-fed stool is often thicker and may be tan, yellow-brown, light brown, or green-brown in color.

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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 […]