What's normal in babies?

Your baby’s first stool may be sticky green and black, and made up of a substance called meconium. After a few days they will then start to turn into yellowy mustard colours. Breastfed stools will be runnier than formula fed babies - which will be darker, firmer and are normally smellier!1

Babies bowel movements vary. Some babies fill their nappies at or around every feed, but others may do so several times a day to once every few days (particularly breastfed babies). Babies may cry or strain when passing a stool, but as long as your baby’s stools are soft, they are unlikely to be constipated.1

If you notice a significant change of any kind in your baby’s stools (they become smellier, very watery or harder, or you find blood in them) discuss this with your healthcare professional.1


  1. NHS Choices, 2011: http://www.nhs.uk/conditions/pregnancy-and-baby/pages/nappies.aspx#close Accessed 15th August 2013.

RXANI140098 Date of preparation: March 2014