3 June 2019 When to wean the baby depends on: Production and quality of the breast milk; The mother's wishes; The baby's age. Exclusive breastfeeding is considered ideal for at least the first 6 months of life . Normally, the baby is weaned progressively . Depending on the baby’s age, breast milk feeds are interspersed with formula or solid foods. The content published in the Health Guide is intended for the general public and is provided for informational and educational purposes only. It does not replace individual medical assessment, diagnosis, or personalized clinical advice from a qualified healthcare professional. The content is produced or reviewed by physicians and other healthcare professionals at Hospital da Luz and is based on the knowledge available at the time of publication or the most recent update, as indicated at the beginning of each item.