Welcome to the growth rate calculator landing page. This tool allows online calculation of growth rate (velocity) between sequential third trimester estimated fetal weight measurements (EFWs), adjusted for gestational age and measurement interval, as described in Ultrasound in Obstetrics and Gynaecology (Hugh O, Gardosi J. 2022, DOI: 10.1002/uog.24860).
To access the online tool, please go to https://growthrate.perinatal.org.uk/
For further information and documentation, please go to: https://perinatal.org.uk/growthrate/documentation
To analyse growth rates in larger data cohorts, you can download the Growth Rate Calculator for Datasets
For any enquiries, please write to grow@perinatal.org.uk
The Fetal Growth Rate Calculator is subject to this Disclaimer