Merck Manual

Please confirm that you are a health care professional

honeypot link

Growth Parameters in Neonates

(Length, Weight, Head Circumference)

By

Arcangela Lattari Balest

, MD, University of Pittsburgh, School of Medicine

Last full review/revision Apr 2021| Content last modified Apr 2021
Click here for Patient Education
Topic Resources

By plotting weight vs gestational age, each infant is classified at birth as

The Fenton growth charts ( see Figure: Fenton growth chart for preterm boys Fenton growth chart for preterm boys Fenton growth chart for preterm boys and see Figure: Fenton growth chart for preterm girls Fenton growth chart for preterm girls Fenton growth chart for preterm girls ) provide a more precise assessment of growth vs gestational age for all three parameters.

Fenton growth chart for preterm boys

Fenton T, Kim J: A systematic review and meta-analysis to revise the Fenton growth chart for preterm infants. BMC Pediatrics 13:59, 2013. doi: 10.1186/1471-2431-13-59; used with permission. Available at www.biomedcentral.com.

Fenton growth chart for preterm boys

Fenton growth chart for preterm girls

Fenton T, Kim J: A systematic review and meta-analysis to revise the Fenton growth chart for preterm infants. BMC Pediatrics 13:59, 2013. doi: 10.1186/1471-2431-13-59; used with permission. Available at www.biomedcentral.com.

Fenton growth chart for preterm girls
Click here for Patient Education
NOTE: This is the Professional Version. CONSUMERS: Click here for the Consumer Version
quiz link

Test your knowledge

Take a Quiz! 
iOS ANDROID
iOS ANDROID
iOS ANDROID
TOP