Sometimes the estimate is further out than this, though this is the typical range of accuracy. The aim of this study was to determine the accuracy of established ultrasound EFW formulae to identify small and large for gestational age fetuses when used after 35 weeks gestation. Objectives: To evaluate different formulas for estimating fetal weight in diabetic pregnancies. Accuracy and reliability of ultrasound estimation of fetal weight in women with a singleton term pregnancy December 2019 DOI: 10.18203/2320-1770.ijrcog20196042 Methods The study sample included 1717 women with singleton pregnancies, admitted in early labor with an ultrasonic estimated fetal weight (EFW) performed during the preceding week. Another nuanced way of putting it is that about 95% of the time, fetal weight estimates are within a 15-18% range of the actual weight. Ultrasound estimation of fetal weight at term provides vital information for the skilled birth attendants to make decisions on the possible best route of delivery of the fetus. The mean age of all Objective To compare the accuracy of routine ultrasonic and clinical birth weight estimation. The study evaluated the accuracy of estimation of fetal weight with ultrasound machine at term. However, it is yet to be found a fetal weight estimation formula that it can be simultaneously accurate and simple, excluding time-consuming ultrasound parameters. study to assess the diagnostic accuracy of ultrasound estimation of fetal weight in low birth weight fetuses in term pregnancies keeping actual birth weight as gold standard. Ultrasound fetal biometry is routinely used to calculate estimated fetal weight (EFW). Methods: This retrospective study evaluated the precision of ultrasound fetal weight estimation in 756 pregnancies complicated by gestational diabetes between 2002 and 2016. Background . In order to achieve more accurate prenatal fetal weight examination, Fetal weight estimation, Leopold’s manoeuvres, Normal weight, Overweight Background Accuracy of fetal weight estimation is of key importance in antenatal care, as well as in the planning and management of labour and mode of delivery [ 1–9]. Hello,Yesterday I had an ultrasound at 39.2 weeks and baby weight is estimated to be 8 lbs 3 ounces and is in 95 percentile. Aim and Objectives . So around 5% of the time the estimate will be very inaccurate. Total 255 patients who presented in radiology department for antenatal ultrasound at term pregnancy were recruited in our study. The literature is inconsistent on the accuracy of measurements with either ultrasound or clinical examination, known as Leopold’s manoeuvres, shortly before term. AIM OF THE STUDY: The aim of the study is to assess fetal weight by clinical methods using Johnson’s formula and Dare’s formula and by ultrasound, using Hadlock’s Methods. 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