Corrected Age

Name: Corrected Age
Creator: Daniel Diaz-Gil, MD
Keywords: corrected age, adjusted age, chronological age, gestational age, preterm, premature, neonatal, developmental, milestone

Calculates corrected (adjusted) age for preterm infants based on gestational age at birth

Clinically Verified· 5 tests

Source: American Academy of Pediatrics Committee on Fetus and Newborn. Age terminology during the perinatal period. Pediatrics. 2004;114(5):1362-1364.

For educational and informational purposes only. Verify all results before clinical application.

Chronological Age (weeks) *

weeks

Additional Days

days

Gestational Age *

weeks

Gestational Age (days)

days

References

American Academy of Pediatrics Committee on Fetus and Newborn. Age terminology during the perinatal period. Pediatrics. 2004;114(5):1362-1364.[DOI]

Reviewed by Daniel Diaz-Gil, MD · Last updated March 2026

Medical disclaimer

This tool is for educational and informational purposes only. It is not a substitute for professional clinical judgment. Always independently verify results before making clinical decisions.

Professional Resources — Tools used by pediatricians for neonatal care

NRP Textbook, 8th EditionOfficial Neonatal Resuscitation Program textbook~$70via Amazon Manual of Neonatal Care, ClohertyPractical neonatal clinical reference~$65via Amazon