Sep 7, 2022 · Meconium is your baby's first poop. It's darker and thicker than typical poop and extremely sticky. Meconium builds up inside your baby's intestines from swallowing amniotic fluid (the fluid that surrounds and cushions them inside your uterus). Ideally, your baby passes meconium shortly after birth.

Meconium is the earliest stool of a mammalian infant resulting from defecation. Unlike later feces, meconium is composed of materials ingested during the time the infant spends in the uterus: intestinal epithelial cells, lanugo, mucus, amniotic fluid, bile, and water.

Nov 17, 2023 · “Meconium” is the medical term for the substance (stool) that is passed during a baby’s first bowel movement. You’ll typically see it within the first 2 days after birth,...

Meconium aspiration syndrome (MAS) is when a newborn baby breathes in a sticky substance called meconium just before or during birth. It can cause breathing problems and respiratory distress. It’s rare for MAS to cause long-term complications or health conditions.

Nov 9, 2024 · Meconium is the initial substance present in the intestines of the developing fetus and constitutes the first bowel movement of the newborn. Meconium can be green, brown, or yellow.[1] Term healthy neonates pass meconium between 24 to 48 hours following birth.[2][3] Preterm infants typically exhibit delayed passage.[4][5]

Apr 7, 2025 · Hirschsprung disease and meconium ileus both disrupt bowel movements and can require urgent medical attention. The two conditions have different causes and treatments. Hirschsprung disease happens ...

Aug 14, 2023 · Meconium is a thick, sticky substance made up of cells, protein, fats, and intestinal secretions like bile. It is usually black or dark green. Meconium has no smell because the baby’s digestive tract has no bacteria yet. Once the baby starts drinking breast milk or formula, their gut will be colonized with bacteria, which gives stool its odor.

Jul 29, 2024 · What is Meconium? Meconium is the initial stool passed by a newborn, usually within the first Explore the clinical significance of meconium, meconium-stained liquor, and Meconium Aspiration Syndrome (MAS). Learn the warning signs and implications for a safe and healthy childbirth.

Oct 17, 2024 · Learn more about a baby's first poop, why some babies poop in the womb, and what happens if they accidentally inhale it. A baby's early poop is known as meconium, which is a thick, sticky, black...

Jul 8, 2021 · What Is Meconium? While babies are still in the womb, their bodies are making a special kind of poop that is called meconium. It is typically dark brown or green, and very sticky.