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Baby poop changes color a lot, especially in the first week, and most of those changes are normal. A few colors, though, should always be checked by a doctor.
Baby poop color chart
| Color | What it usually means | Action |
|---|---|---|
| Black, sticky (days 1-2) | Meconium, the first poop | Normal |
| Dark green (days 2-4) | Transitional poop as milk comes in | Normal |
| Mustard yellow, seedy | Typical breastfed poop | Normal |
| Tan, yellow-brown, peanut-butter-like | Typical formula-fed poop | Normal |
| Green | Transition days, some formulas, iron, or lots of foremilk | Usually normal. Call if baby seems unwell |
| Orange | Often normal, sometimes from food once solids start | Normal |
| Brown | Common with formula and after solids start | Normal |
| Red or with streaks of blood | Could be from a small tear, swallowed blood, an allergy, or an infection | Call your pediatrician |
| Black after the first week | Could mean bleeding higher in the gut (or iron supplements) | Call your pediatrician |
| White, pale gray or chalky | Can be a sign of a liver problem such as biliary atresia | Call your pediatrician the same day |
Why pale poop matters
Very pale, white, gray or chalky poop in a young baby can be a sign that bile is not flowing from the liver properly. One cause, biliary atresia, is rare but serious, and treatment works best when it happens early, ideally in the first weeks of life. If your baby’s poop is pale, especially together with yellow skin or eyes after 2 weeks of age, or dark urine, call your pediatrician the same day. Many countries use stool color cards to help parents spot it.
Texture matters too
- Seedy, runny or loose is normal for breastfed babies.
- Thicker, pasty is normal for formula-fed babies.
- Very watery, frequent and explosive, or with mucus and fever, may be diarrhea. Watch for dehydration and fewer wet diapers.
- Hard pellets, or straining with a hard poop, may be constipation. Grunting and going red while passing a soft poop is normal in young babies.
How often should a baby poop?
In the first week, at least 3 dirty diapers a day is a good sign for breastfed babies. After about 6 weeks, breastfed babies may go several days without pooping and still be fine. Formula-fed babies often go about once a day. What matters most is that your baby is feeding well, gaining weight and has soft poop and plenty of wet diapers.