Aasma Shraf, Maimoona Chiragh, Khalid R Yousaf, S Saeed, I Iqbal, N Nazeer, A Mehmood, M. Usman Baig, Ali Asad

Concordance of Sonographic Fetal Weight Estimation and Actual Birth Weight in Pakistani Population Using Hadlock Formula

Aasma Shraf, Maimoona Chiragh, Khalid R Yousaf, S Saeed, I Iqbal, N Nazeer, A Mehmood, M. Usman Baig, Ali Asad



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ABSTRACT
Background: To plan mode of delivery and to prevent complications, exact analysis of fetal weight is very important.
Aim: To assess the concordance of sonographically estimated fetal weight by using Hadlock formula and actual birth weight at term in Pakistani population.
Methodology: This study was done at New Radiology Department, Services Hospital, Lahore. Duration of study was 6 months. It was a cross sectional study. 200 females in last trimester of pregnancy fulfilling inclusion criteria were enrolled, using random sampling technique. Data is analyzed by using SPSS version 17.
Results: The mean age was 31+4.0 years, mean estimated fetal weight (EFW) was 3288±429 gms and mean actual birth weight (ABW) was 3259 ± 430 gms. Concordance was 100%. The absolute difference between EFW and ABW was 29±28.03 gms. Percentage error of fetal weight estimation was 0.92 ± 0. 91.
Conclusion: The use of Hadlock formula to estimate fetal weight in Pakistani population within 72 hours of delivery shows acceptable results when comparing with actual birth weight. Keywords: Concordance, Fetal Weight, Sonography, Hadlock formula


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