A risk calculator for Down syndrome according to ultrasound markers
As published by Greggory R De Vore, MD, Fetal Diagnostic Center of Pasadena, Pasadena, California, USA Programme written by DJR Hutchon copyright Requires Internet Explorer 4.0 or above (or eqivalent) for calculator to work. Year 2000 compliant
INSTRUCTIONS: Enter the findings from the ultrasound, the prior risk and press calculate button. If the prior risk is simply background age risk, the calculator will calculate this using the Hecht and Hook formula, if the date of birth and the date of scan are entered. You are advised to look carefully at the paper by Gregroy R Devore. The results are only valid for women aged 34 years or older and/or with an abnormal maternal serum screening. Also incorporates the data of Huggon et al for isolated echogenic foci of the fetal heart. Ultrasound Obstet Gynecol 2001;17:11-16
This calculator is for educational use. It is believed accurate but no responsibility for accuracy of the results is accepted by the author. David J R Hutchon BSc, MB, ChB, FRCOG Consultant Obstetrician, Memorial Hospital, Darlington, England.
Comments and suggestions are welcome and will be included in the comments section.
Copyright 2001, DJR Hutchon. Restricted use is hereby
granted (personal OK) so long as this code
is not *directly* sold and the copyright notice is buried
somewhere deep in your HTML document.