#AskTheExpert my baby hasn’t pooped from 2 days. We are worried.

A. Call your baby's pediatrician immediately if your newborn baby (under 6 weeks old) is not pooping at all. Also call if your baby (of any age) has constipation for longer than 5 to 7 days or if they also have other symptoms.Constipation. Your newborn should have a bowel movement at least once a day during the first month. If they don't, call your doctor, as the baby may not be eating enough. After that, a formula-fed infant should have one at least one a day, but breastfed infants can go several days or even a week without one.