International Society of Ultrasound in Obstetrics and Gynecology

Search the site find it


Return to the homepage


2017 ISUOG membership
           now available!

Member categories:

  • Membership 
  • Journal membership
  • Journal membership + Print

find out more


Launch Wiley Site »

UOG is the leading peer-reviewed journal in its field. View a selection of recent free-access articles!

find out more

Visual encyclopedia on ultrasound in obstetrics and gynecology

Start exploring
isuog.oorg OnDemand

View the presentations from our World Congress.

Find out more

Fetal Biometry

Select one of the calculators from the left hand menu to date pregnancies, convert biometric data to centiles and Z-scores for a given gestational age and to estimate fetal weight from biometric measurements.

Please note: the formulas were derived from studies published in peer review journals listed in index medicus, and care was taken in constructing these calculators. The final diagnosis is however the sole responsibility of the operators performing the examinations and ISUOG accepts no liability from the use of these calculators.

Formulae modified from:

We would like to thank Dr. R. Snijders for her valuable help and Astraia Software GmbH for their support in testing and refining the ISUOG Biometry Calculators.

Register with us

Not sure about joining but want to find out more? Register with us and access selected site content.

find out more

Choose an area of our site to view from the list below.

Quick links

Independent Courses

You can view forthcoming meetings or submit the details of your independent course.

Submit a course