Role of fetal mid-thigh soft tissue thickness in predicting the fetal weight: Comparison with other ultrasound birth weight estimation formulae

Amira E. Khalil; Mohamed Ali Noureldin

doi:10.53730/ijhs.v5nS1.15541

Authors

Amira E. Khalil Lecturer in Obstetrics and Gynaecology Department, Faculty of Medicine, Benha University, Egypt
Mohamed Ali Noureldin
Drm.nor75@yahoo.com
Lecturer in Obstetrics and Gynecology Department, Faculty of Medicine, Al-Azhar University, New Damietta, Egypt

Keywords:

Fetal Mid- Thigh Soft Tissue Thickness, Estimated Fetal Weight, Actual Birth Weight, Scioscia's Formula, Vintzileos’ Formula, Hadlock's formula

Abstract

Background: Sonographic assessment of fetal growth for the estimation of fetal weight is a common practice in obstetrics, providing valuable information for planning the mode of delivery and management of labor. The aim of this study was to assess the role of fetal mid- thigh soft tissue thickness (MTSTT) in predicting fetal weight. Methods: This prospective observational study was conducted on 138 singleton pregnant women aged from 20 to 35 years admitted to the obstetric ward with gestational age from 37 to 40 weeks and normal amniotic fluid and planned for delivery within 48 hours. The ultrasound (US) parameters including bi-parietal diameter (BPD), head circumference (HC) abdominal circumference (AC), femur length (FL) and MTSTT were measured respectively. The estimated fetal weight (EFW) was assessed according to Scioscia's, Vintzileos’, and Hadlock's formulae. Results: There was a significant strong positive correlation between ABW and both Scioscia's formula (r 0.787, P value <0.001) and Vintzileos’ formula (r 0.739, P value <0.001) while a significant moderate positive correlation was observed between ABW and Hadlock’s formula (r 0.434, P value <0.001).

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