👶 Corrected Age (Prematurity)
Adjust chronological age for prematurity to assess growth and development.
Corrected Age (Prematurity)
Chronological age (weeks)
Gestational age at birth (weeks)
When to use
Developmental assessment of preterm infants.
How it works
Corrected age = chronological age − (40 − gestational age at birth, weeks).
Key points
- Use corrected age until about 2 years.
- Vaccinations follow chronological age.
- Important for interpreting developmental milestones.
References
Decision support for licensed clinicians only; not a substitute for clinical judgement, diagnosis or local protocols.