Neonatal Gestational Age Assessment . Objectives. By the end of this presentation the learner should…. Understand the prenatal gestational age assessment tools Classify the size differences between IUGR, SGA, AGA, & LGA infant
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Neonatal Gestational Age Assessment
By the end of this presentation the learner should….
Understand the prenatal gestational age assessment tools
Classify the size differences between IUGR, SGA, AGA, & LGA infant
Complete the physical maturity portion of the neonatal gestational age assessment tool
Conduct the neuromuscular portion of the neonatal gestational age assessment
Compile the maturity score on the neonatal gestational age assessment tool
Identify those common differential findings found on newborn exam
Fetal US Measurements
Bilateral Club Feet
Before 28 weeks-scrotum empty and flat
28-30 weeks-testes undescended into scrotal sac
30-36 weeks testes descending with a few rugae over the scrotum
36-39 weeks-testes have descended into scrotum which is now pendulous and complete with rugae
Before 28 weeks-clitoris prominent labia flat
28-32 weeks-prominent clitoris, enlarging labia minora
33-36 weeks-labia majora widely spaced with equally prominent labia minora
33-39 weeks-labia extends over the labia minora but not over the clitoris
39 weeks-labia majora completely covers the labia minora and clitoris
Aby, J. (2008). Stanford School of Medicine. Newborn Nursery at LPCH. Retrieved October 10th, 2009 from
Ballard J. (1991). New Ballard Score, expanded to include extremely premature infants. Journal of Pediatrics, 119, 417-423.
Tappero, E. & Honeyfield, M. (1996). Physical assessment of the newborn. Santa Rosa, CA: NICU Ink Publishers.