Foetal weight assessment using sonographic femoral length: Honarvar equation

ABSTRACT

To evaluate the accuracy of the femoral length, by Honarvar equation during ultrasonographic examination at [36] weeks of gestation as a predictor of actual birth weight. A prospective observational study. Department of OB/GYN, women's health Hospital, Assuit University, Assiut, Egypt. Outpatient obstetric care clinic. One hundred [100] pregnant women at 36 weeks of gestation, were recruited in this study. Real time ultrasound examination was done to measure the femoral length, then the estimated foetal, weight was calculated using the Honarvar 2 equation. The correlation between estimated foetal weight [EFW] and real weight was tested by Pearson correlation coefficient and the relationships with the age and body mass index [BMI] of the mother, the gender of the neonate and parity were tested by multiple regression. there was significant correlation between sonographic EFW by the Honarvar 2 equation and the actual birth weight of the offsprings. Therefore, this equation is a valid method for foetal weight estimation, It also doesn't depend [no significant correlation] upon the maternal age, BMI and parity or neonatal sex. The Honarvar formula produced the best estimate of the real birth weight and its use is recommended