Assessment of fetal weight based on ultrasonic femur length after the second trimester

International Journal of Gynaecology and Obstetrics : the Official Organ of the International Federation of Gynaecology and Obstetrics
M HonarvarS Dehbashi

Abstract

The ultrasonic measurement of the fetal femur length is a sensitive and precise variable for estimation of fetal growth and development. The objective of this study is to predict fetal weight in fetuses of more than 24 weeks gestation by ultrasound measurement of the femur length. In this study, pregnant mothers were identified by the criteria of normalities, such as: well-known LMP, regular menstrual cycles, no use of OCP for the last 3 months, no use of alcohol or cigarettes, no drug abuse, no history of diabetes or chronic HTN. Multiple gestations, congenital anomalies and still-births were excluded. Birth-weight measurements (adjusted for maternal age, baby's sex, parity and week of gestation) were taken immediately after birth. The relation between fetal weight and fetal femur length has been determined by cross-sectional analysis of 900 normal fetuses (> or = 25 weeks gestation) using real time ultrasonography. Mathematical modeling of the data has demonstrated that the femur growth curve is non-linear beyond 24 weeks gestation. With the aid of a scientific calculator the data were analyzed and a simple second-grade equation has been derived: EFW (kg) = 0.042FL(2) (cm)+0.32FL-1.36, S.D. approximately +/-235 g (Honarvar's ...Continue Reading

References

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Jan 15, 2000·International Journal of Gynaecology and Obstetrics : the Official Organ of the International Federation of Gynaecology and Obstetrics·M HonarvarS Dehbashi
Sep 1, 2000·International Journal of Gynaecology and Obstetrics : the Official Organ of the International Federation of Gynaecology and Obstetrics·M HonarvarS Dehbashi

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Citations

Dec 18, 2001·Prenatal Diagnosis
Dec 7, 2013·Ultrasound in Obstetrics & Gynecology : the Official Journal of the International Society of Ultrasound in Obstetrics and Gynecology·A KhalilB Thilaganathan
Nov 22, 2005·Journal of Biomechanics·J E M BrouwersR Huiskes
Nov 9, 2010·Taiwanese Journal of Obstetrics & Gynecology·Chi-Feng SuGin-Den Chen
Nov 8, 2017·Prenatal Diagnosis·Mariane Massaini BarbieriFernanda Garanhani Surita
Apr 4, 2018·Ultrasound in Obstetrics & Gynecology : the Official Journal of the International Society of Ultrasound in Obstetrics and Gynecology·A HammamiK H Nicolaides
Jan 1, 2008·Obstetrics and Gynecology·Marco SciosciaLuigi E Selvaggi
Dec 22, 2017·Journal of Perinatology : Official Journal of the California Perinatal Association·M N ZakiM Porto
Oct 2, 2020·Journal of Ultrasound in Medicine : Official Journal of the American Institute of Ultrasound in Medicine·James E FisherAhmed A Nassr
Jun 15, 2007·Annals of Saudi Medicine·Raziah Dehghani FiroozabadiMehdi Dehghani Firoozabadi
Jul 1, 2010·Journal of Ultrasound in Medicine : Official Journal of the American Institute of Ultrasound in Medicine·Sara NicholasAnthony O Odibo

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