Comparative Study of Various Methods of Fetal Weight Estimation At Term Pregnancy
Journal Title: Journal of Medical Science And clinical Research - Year 2014, Vol 2, Issue 10
Abstract
Aim: To assess the fetal weight in term pregnancies by various methods like Abdominal girth x Symphysiofundal height (Insler’s formula), Johnson’s formula and Hadlocks formula using USG. Objective: To correlate these three methods of estimation of fetal weight with the actual birth weight of the baby after delivery. Materials and Methods: The study was conducted in 100 women with full term pregnancy. These patients who were selected from antenatal clinics and maternity wards had their last fetal weight estimation done within one week of delivery. The study was conducted over a period of one year. Patients in whom delivery was anticipated within 1 week were included in this study and those who did not deliver within 1 week of fetal weight estimation were excluded from the study. The duration of gestation was calculated according to Naegale’s rule or by first trimester scan report. A comparative evaluation of fetal weight estimation in term pregnancy using Abdominal girth x Symphysio fundal height (Insler’s formula), Johnson’s , and Hadlock’s formula using ultrasonography was done. The fetal weight estimated by the above three methods was compared with actual weight of baby after birth. Data collected for age, parity, actual birth weight, mean birth weight by different methods was organized, interpreted and analyzed using appropriate statistical methods. P value of < 0.05 was considered significant. Results: Results of the correlation analysis showed that there is a significant relationship between estimated and actual birth weight for all the methods. The major finding from this study is that ultrasonographic estimation of www.jmscr.igmpublication.org Impact Factor 3.79 ISSN (e)-2347-176x Dr Syeda Ayesha Siddiqua et al JMSCR Volume2 Issue 10 October 2014 Page 2738 JMSCR Volume||2||Issue||10||Page 2737-2748||October-2014 2014 foetal weight is as accurate as the clinical method of estimation within the normal birth weight range. Conclusion: Estimation of birth weight clearly has a role in management of labour and delivery in a term pregnancy. Of the three clinical formulae studied, USG
Authors and Affiliations
Dr Syeda Ayesha Siddiqua
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