Doctaverse
Neonatology

Corrected (Adjusted) Age for Prematurity

Adjusts a preterm infant's chronological age for prematurity — used for growth, development and milestone assessment.

Written for clinicians. If you're a parent or patient, don't act on these numbers — talk to your child's doctor.

Inputs

FieldUnitNotes
Gestational age at birth weeks 22–42
Chronological age weeks Weeks since birth

FAQ

What is the Corrected (Adjusted) Age for Prematurity?

Adjusts a preterm infant's chronological age for prematurity — used for growth, development and milestone assessment.

What inputs does the Corrected (Adjusted) Age for Prematurity need?

Gestational age at birth (weeks), Chronological age (weeks).

Related guides

Corrected Age for Prematurity: Adjusting for Growth and Developmental Assessment

Corrected (adjusted) age for preterm infants — subtracting weeks of prematurity from chronological age, when to correct, until what age, a worked example, and the postmenstrual-age distinction.

Related Neonatology calculators

ET Tube Depth (Neonatal)

Weight-based endotracheal tube insertion depth at the lips for neonates.

Partial Exchange Transfusion (Polycythemia)

Volume of whole blood to remove (replaced with crystalloid) to correct neonatal polycythemia.

Umbilical Catheter Length

Insertion depth for high-position umbilical artery (UAC) and umbilical vein (UVC) catheters.

Glucose Infusion Rate (GIR) & TPN

Daily glucose load, fluid requirement and feasible dextrose blends for a target glucose infusion rate.

New Ballard Score

Estimate gestational age from New Ballard neuromuscular + physical maturity totals.

APGAR Score

Rapid assessment of newborn condition from five clinical signs (0–10), recorded at 1 and 5 minutes.

Want this at the bedside, offline? Get the Doctaverse app — every calculator, diagnostic and the drug formulary in your pocket.