Guidelines for introduction of complementary foods in infants have evolved. New data have led to the development of updated guidelines on the introduction of high-allergy foods, especially with the introduction of peanuts. Pediatricians need to keep up to date with these changes to educate parents on current guidelines.

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Infancy is a period of rapid growth and development. Parents are often confused about optimal infant nutrition practices. In addition, as new research has emerged, pediatricians have needed to modify the education provided to parents. This article covers common topics about infant nutrition, including normal infant growth, use of breast milk, discussion of formula options, and introduction of complementary foods. Our recommendations are based on current guidelines and research.

During infancy, children are expected to double their birth weight by 5 to 6 months of age. Children gain weight more rapidly during the...

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