Student Nurse Laura

Orem – "creative effort of one human being to help another human being."

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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