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Auditing accuracy of EFW
The accuracy of ultrasound estimated fetal weight (EFW) can be determined after adjusting for the interval between date of scan and date of delivery. We have produced an application in the form of a programmed Excel spreadsheet which allows calculation of the error between EFW and birthweight. EFW_error.xls is free and available by writing to the GAP team at gap@perinatal.org.uk
 
 
 
 
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