Why a Newborn’s First Poop Is a Big Deal

When a baby is born, parents are immediately focused on milestones like the first cry, the first latch, and the first tiny movements. But one often-overlooked moment—the first poop, medically called meconium—is surprisingly important and even worth celebrating. Understanding what this milestone represents can help new parents track their baby’s health and feel more confident in those first crucial days.

What Is Meconium?

• Meconium is a newborn’s first stool, typically thick, sticky, and dark green or black.

• It is composed of intestinal lining cells, mucus, amniotic fluid, and bile accumulated in the fetus during pregnancy.

• Babies usually pass meconium within 24–48 hours after birth, although timing can vary slightly depending on gestational age and delivery conditions.

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