Intermediate
Technical
IVT
corrected age calculation
Adjustment of chronological age for prematurity when assessing developmental milestones in preterm infants.
Full Definition
The process of subtracting the number of weeks born early from a preterm infant's chronological age to determine their adjusted developmental age. This calculation is essential for accurate milestone assessment during the first two years of life, as using chronological age would inappropriately classify most preterm infants as delayed. Corrected age helps distinguish between prematurity-related developmental lag and true developmental delays requiring intervention. The practice typically continues until 24 months corrected age.
Usage
Usage note: Always document both chronological and corrected ages
In Context
- "Using corrected age calculation, the infant's development appears appropriate for 6 months." — Preterm follow-up note
- "Corrected age calculation is essential for accurate developmental assessment in NICU graduates." — Developmental pediatrics protocol
Also known as
adjusted age calculation
gestational age correction
Don't confuse with
adjusted age
gestational age