Up to what age can a baby stay well nourished by just being breastfed?

Ask an expertOnline Q&AReviewed July 2013

Q: Up to what age can a baby stay well nourished by just being breastfed?

A:Infants should be exclusively breastfed – i.e. receive only breast milk – for the first six months of life to achieve optimal growth, development and health. 'Exclusive breastfeeding' is defined as giving no other food or drink – not even water – except breast milk. It does, however, allow the infant to receive oral rehydration salts (ORS), drops and syrups (vitamins, minerals and medicines). Breast milk is the ideal food for the healthy growth and development of infants; breastfeeding is also an integral part of the reproductive process with important implications for the health of mothers.

WHO recommends that infants start receiving complementary foods at six months (180 days) of age in addition to breas