- Failure to thrive: failure to thrive (FTT) is characterized by weight below the fifth percentile for age, and/ or deceleration in the rate of weight gain from birth to the present of at least 2 standard deviations, using standard growth charts for comparison.
Other /More definition:
Failure to thrive is defined as a condition in which the child does not grow physically and cognitively at a normal rate due to poor pre-natal care or grossly inadequate and inattentive parenting. It is characterized by weight below the fifth percentile for age, and/ or deceleration in the rate of weight gain from birth to the present of at least two (2) standard deviations, using standard growth charts for comparison.