Classification of High Risk Infants According to Size
Posted by Laura on March 4, 2010
Low birth weight (LBW) – < 2500 grams or 5.5 lbs.
Very low birth weight (VLBW) – < 1500 grams or 3.3 lbs
Extremely low birth weight (ELBW) – < 1000 grams or 2.2 lbs
Small for gestational age (SGA) or Small-for-date (SFD) – Birth weight less than the 10th percentile for intrauterine growth curves
Appropriate for gestational age (AGA) – Birth weight between 10th and 90th percentile on intrauterine growth chart
Large for gestational age (LGA) – Birth weight greater than the 90th percentile for intrauterine growth curves
Intrauterine growth restriction (IUGR) – Infants who’s intrauterine growth is restricted
Symmetric IUGR – Weight, length and head circumference – all are affected and have growth restriction
Asymmetric IUGR – Head Circumference remains WNL, birth weight falls below 10th percentile for intrauterine growth.
Premature infant – < 37 6/7 weeks gestation
Full term Infant – > 38 weeks to completion of 42 weeks of gestation
Postmature (postterm infant) – > 42 weeks completion of gestation
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