Corrected age

A way to describe a premature baby’s developmental age by allowing for the weeks born early.

AAP guidance describes using corrected age during the first two years for developmental expectations. It is not a reason to change vaccination dates or an individual care plan.

In a sentence

What does “Corrected age” mean?

A way to describe a premature baby’s developmental age by allowing for the weeks born early.

Try the tool: Child Growth Percentile Calculator · Baby and Child Milestone Checklists

Related terms

Growth percentile Developmental leap

Sources

AAP HealthyChildren — Corrected age for preemies

Sources checked 2026-10-10. Source checks are editorial; this summary has not been independently clinically reviewed.

General information, not medical advice. For concerns about your child, talk with your doctor or child-health nurse.