Pediatric Growth Calculators
One place for bedside growth assessment: term infants and children, preterm NICU charts, Down syndrome references, and fetal weight percentiles.
Sources and Reference Basis
Growth calculators on PediaHelper use published LMS reference data: Fenton preterm charts, WHO Child Growth Standards, CDC 2000 charts, Olsen 2010, Zemel 2015 Down syndrome, and WHO MUAC references. Select the chart that matches your clinical setting and local policy.
- WHO Child Growth Standards Term infant and child growth 0–60 months.
- CDC Growth Charts U.S. infant and 2–20 year references.
- Fenton 2013 preterm growth (Pediatrics 2013) NICU preterm growth by postmenstrual age.
Frequently Asked Questions
Which growth chart should I use for a preterm infant?
Most NICUs use Fenton 2013 or Fenton 2025 preterm charts plotted by postmenstrual age. Olsen 2010 is an alternative reference.
WHO vs CDC for term infants?
AAP guidance commonly uses WHO charts from birth to 24 months and CDC charts from 2 to 20 years.