1 - Assessing infant growth and development o Growth...

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nutri sci 12/1 15:54 Infant feeding Infant growth and physicological development o Rapid growth (overhead 147) Weight Doubles in 4-6 months Triples in 1 year Doubles again between ages 1 and 5 Length  Increased 50% in first year Growth ends when epiphyses closes o Ultimate height depends on nutrition and genetic potential Dietary protein critical  Food deprevation Common in underdeveloped countries Causes stunting Half of world’s children short and underweight for age o Changes in composition Body water decrease to adult levels in 1 year Proteincontent increase during year 1 Lean tissue formation Effects of malnutrition o Hyperplasia If stopped by inadequate nutrients, cannot be reversed Proper hormonal enviroment may later be lacking o Hypertrophy
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If arrested, can be restored by adequate diet
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Unformatted text preview: Assessing infant growth and development o Growth expressed in percentiles o Most informative Height for age Weight for height o Charts for male and female o Premature infants may catch up by age 3 o Brain growth Hyperplasia ceases at 18 months IQ after age 5 may be more related to schooling than nutrition o Adipose tissue growth Infant obesity not linked to adult obesity No fat restriction before age 2 Assess feeding practices Infant nutritional needs o Solid foods not needed until 4-6 months Lack necessary enzymes for digestion o Energy 2-4x adult need per 1 lb. infant has high metabolic rate greater surface area 15:54 15:54...
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1 - Assessing infant growth and development o Growth...

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