DescriptionApplicationsInstructionsOther
Fetal Growth The “International Gestational Age Assessment” Calculator is an Excel-based application.

This is a beta version calculator for gestational age based on fetal measurements (crown rump length; or head circumference and femur length).
Download Windows app (note: large file size)Download Mac app (note: large file size)Open app in web-browser  User Guide Head circumference, bi parietal diameter, abdominal circumference, femur lengthm and occipito-frontal diameter for fetuses between 14+0 and 40+0 weeks' gestation.Language options available: English, Portuguese and Spanish
Neonatal Size This application allows data to be entered manually so that the size of individuals can be compared to, and plotted graphically against the international standards and references.In addition, large datasets can be imported directly into the application, which then calculates the respective centiles and z-scores based on the INTERGROWTH-21st standards and references. The results can be exported for further analysis. Download Windows app (note: large file size)Download Mac app (note: large file size)Open app in web-browser  User Guide Weight, length, and head circumference for newborns between 24+0 to 42+6 weeks’ gestation.

Language options available: English, Portuguese and Spanish
Postnatal Growth of Preterm Infants This application allows data to be entered manually so that the size of individuals can be compared to, and plotted graphically against the international standards.In addition, large datasets can be imported directly into the application, which then calculates the respective centiles and z-scores based on the INTERGROWTH-21st standards. The results can be exported for further analysis. Download Windows app (note: large file size)Download Mac app (note: large file size)Open app in web-browser  User Guide Weight, length, and head circumference born from 27+0 weeks’ gestation and until they reached 60 weeks’ postmenstrual age.


Language options available: English, Portuguese and Spanish

To access all the INTERGROWTH-21st resources, click HERE

This application allows data to be entered manually so that the size of individuals can be compared to, and plotted graphically against the international standards and references.

 DescriptionApplicationsInstructionsOther

Pregnancy Dating

The “International Gestational Age Assessment” Calculator is an Excel-based application.

This is a beta version calculator for gestational age based on fetal measurements (crown rump length; or head circumference and femur length).
Excel-based GA Calculator N/A This calculator also allows for the calculation of centiles and z-scores of large datasets.

Fetal Size in Early pregnancy

The “International Fetal Size in Early Pregnancy” Calculator is an Excel-based application.

This is a beta version calculator to estimate fetal size between 8+2 and 15+0 weeks’ gestation based on gestational age and crown-rump length measurement
Excel-based CRL Calculator
 N/A This calculator also allows for the calculation of centiles and z-scores of large datasets.

Fetal Growth (EFW)

The “Estimated Fetal Weight" Calculators is an Excel-based application.

It produces centiles and z-scores for these measurements based on the INTERGROWTH-21st Estimated Fetal Weight Standards.
Excel-based EFW Calculator N/A This calculator also allows for the calculation of centiles and z-scores of large datasets.

Symphysis-Fundal Height

The "International Symphysis-Fundal Height" is an Excel-based application.

It produces centiles and z-scores for these measurements based on the INTERGROWTH-21st Symphysis-Fundal Height Standards.
Excel-based SFH Calculator N/A This calculator also allows for the calculation of centiles and z-scores of large datasets.

Gestational Weight Gain

The “International Gestational Weight Gain” Calculator is an Excel-based application.

This calculator produces centiles and z-scores for gestational weight gained based on the INTERGROWTH-21st standards.
Excel-based GWG Calculator N/A This calculator also allows for the calculation of centiles and z-scores of large datasets.