Welcome to the website of the Gestation Network. This site aims to highlight the importance of an individual approach in the assessment of fetal growth, based on maternal, fetal and pregnancy characteristics.

Fetal growth is of principal concern in perinatal surveillance. It has relevance for

• Antenatal care: failure to thrive in utero can lead to fetal death; antepartum stillbirth is the largest contributor to perinatal mortality in most developed countries.

• Intrapartum surveillance: growth restricted fetuses are more likely to become distressed during labour.

• Neonatal care: babies who are small due to prematurity or growth restriction are more prone to neonatal complications.

This site contains software for calculating gestational age, estimated fetal weight, fetal growth charts and birthweight centiles. Click on the relevant link below.

Disclaimer: The Gestation Network and authors of the software cannot accept responsibility for any clinical diagnoses or decisions made on the basis of programmes downloaded from this site.

GROW - customised software programmes contain algorithms based on published principles and formulae which are copyright of the Gestation Network.