Corrected Age (for Prematurity)
Adjusts a premature infant's age for degree of prematurity.
What is Corrected Age (for Prematurity)?
Adjusts a premature infant's age for degree of prematurity. Corrected Age is intended for use in: Infants born preterm, typically tracked until 2 years chronological age.
How to Use the Corrected Age Calculator
- Enter Date of birth. Enter as YYYY-MM-DD
- Enter Gestational age at birth in weeks.
- Enter As-of date (optional). Defaults to today
- Click Calculate to see your result and interpretation.
Formula & Version
This calculator uses formula version 1.0, last reviewed September 2026.
Clinical Considerations & Limitations
- Conventionally used only until 2-3 years chronological age, and generally only meaningfully applied for infants born before 37 weeks gestation.
References
- AAP Committee on Fetus and Newborn, Pediatrics 2004;114:1362-1364
Frequently Asked Questions
What is Corrected Age (for Prematurity)?
Adjusts a premature infant's age for degree of prematurity.
Who is Corrected Age intended for?
Infants born preterm, typically tracked until 2 years chronological age. Always confirm applicability to your specific patient before use.
What are the limitations of Corrected Age?
Conventionally used only until 2-3 years chronological age, and generally only meaningfully applied for infants born before 37 weeks gestation.
What formula or reference does Corrected Age use?
AAP Committee on Fetus and Newborn, Pediatrics 2004;114:1362-1364
Is Corrected Age a diagnosis?
No. Corrected Age produces a score or estimate to support clinical decision-making — it is not a diagnosis and should be interpreted alongside full clinical judgement.
