Sonographic fetal weight estimation using femoral length: Honarvar equation.

Abstract:

BACKGROUND:Fetal growth is the result of interactions between various factors and can be estimated by ultrasonic measurements. Fetal femur length is a scale for estimating the fetal weight in individual races because fetal growth patterns differ among different races. SUBJECTS AND METHODS:This was a prospective study involving 500 pregnant women at 36 weeks of gestational age. Real-time sonography was done to measure the femoral length and then the weight of the fetus was estimated by the Honarvar 2 equation. The correlation between estimated fetal weight (EFW) and real weight was tested by Pearson correlation coefficient and relationships with the age and BMI of the mother, the sex of the neonate and parity were tested by multiple regression. RESULTS:EFW by the Honarvar 2 equation correlated significantly with the actual birthweight. Therefore, this equation is valid for fetal weight estimation. It also does not depend on the age and BMI of the mother, sex of neonate, or parity. CONCLUSION:Ethnicity potentially plays an important role in the fetal weight estimation. The Honarvar formula produced the best estimate of the actual birthweight for Iranian fetuses, and its use is recommended.

journal_name

Ann Saudi Med

journal_title

Annals of Saudi medicine

authors

Firoozabadi RD,Ghasemi N,Firoozabadi MD

doi

10.5144/0256-4947.2007.179

subject

Has Abstract

pub_date

2007-05-01 00:00:00

pages

179-82

issue

3

eissn

0256-4947

issn

0975-4466

pii

06-446

journal_volume

27

pub_type

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