| Age | Bottle-fed | Breastfed | Implications of Abnormal Patterns |
|---|---|---|---|
| 1 day | Meconium | Meconium | Absence may indicate obstruction, atresia |
| 2–5 days (transitional) | Greenish yellow, loose | Greenish yellow, loose, frequent | Note—At any time: |
| >5 days | Yellow to brown, firm, 2–4 daily, foul odor | Bright golden yellow, loose, 6–10 daily | Diarrhea—greenish, mucus or blood tinged, or forceful expulsion, may indicate infection Constipation—dry, hard stools or infrequent or absent stools may indicate obstruction |