This website is designed to calculate your unborn baby’s weight by employing standard ultrasound equations using fetal measurements that are obtained during a typical obstetrical ultrasound examination. More than 50 such ultrasound equations have been developed for predicting fetal weight previously, and no single equation is the best under all circumstances.

Ultrasound equations predict fetal weight based on various combinations of standard fetal biometric measurements, such as the unborn baby’s biparietal diameter [BPD], head circumference [HC], abdominal circumference [AC], and femur length [FL], all of which are visualized and measured during an ultrasound study that is performed to view your baby before it is born.

This website uses 26 different ultrasound equations that incorporate standard ultrasonographic fetal measurements to predict fetal weight. All have been published previously by reputable medical authors in peer-reviewed medical journals.

All that is necessary for you to use this website to predict your fetus’s weight is to have the standard ultrasonographic fetal measurements that are generally obtained during a typical obstetrical ultrasound examination. These measurements are often reported on a sheet that summarizes the findings of your fetus’s ultrasound study, or on a photograph of your baby’s image from an ultrasound machine, or on a videotape/ CD recording of your baby’s ultrasound examination.

Please feel free to browse this website for general information concerning ultrasound and fetal weight prediction. Once you are ready to proceed, simply click on the “Start Now” button to begin by entering your unborn baby’s ultrasound measurements. The results will be presented to you for as many ultrasound equations that can be used with the numerical information that you provide.

Are you ready? Then click on the Start Now button to begin.