Gestational Age Assessment Flashcards
Low birth weight
Less than 2500g
VLBW
BW less than 1500g
ELBW
BW less than 1000g
Length
Crown to heel
Width
Shoulder to shoulder
LGA
> 90 percentile
SGA
Less than 10th percentile
Scarf sign
Position baby supine, take infant’s hand and pull it across infant’s chest and around neck as far posterior as possible toward opposite shoulder, observing elbow position relative to midline of body
Square window test
Flex infant’s hand on forearm between the examiner’s thumb and index finger, using enough pressure to get full flexion, and visually measure the angel between the hypothenar eminence and ventral aspect of forearm
Systemic approach to physicial exam
Perform within 12-18 hours after transition
Postterm
After 43 weeks