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Failure to thrive (FTT) is a term used to describe infants and children who fail to grow and develop at a normal rate compared to other infants and children of similar age and sex (1,2). It is also a term for protein-energy malnutrition (3). Recently, the term "growth faltering" is used to avoid the negative association with the word "failure".
FTT can occur anytime during childhood though most commonly during the first two to three years of life (2). It is considered a clinical