Estimation of Fetal Weight by Measuring Abdominal Circumference, Abdominal Subcutaneous Soft Tissue Thickness, Femur Length and Mid-thigh Soft Tissue Thickness
Starting soon
Conditions studied: Fetal Macrosomia, Intrauterine Growth Disorders (IUGR and Macrosomia), Intrauterine Growth Restriction (IUGR)
In brief
Traditional methods for estimating fetal weight (EFW) often miss the mark because they focus on bone and circumference while ignoring fetal fat. This study proposes a more inclusive formula to fix that. Current models (using BPD, HC, AC, and FL) are the standard but suffer from high observer variability. These formulas struggle at the extremes (macrosomia or growth restriction) and fail to account for fetal adiposity, which makes up 10-12% of a newborn's mass. The study introduces a novel formula that moves beyond simple bone measurements by integrating Soft Tissue Thickness (STT). By accounting for a broader range of biological variants and fat distribution, this new model aims to provide a non-inferior, more precise predictive value for fetal weight compared to traditional methods.
Key facts
- Study ID
- NCT07575152
- Run by
- Assiut University
- People needed
- 300
- Starts
- 2026-07-01
- Expected to finish
- 2028-07-30
- Last updated by the study team
- 2026-05-12
Who can join
Age: 18 and older. Sex: female. Healthy volunteers: accepted.
You may qualify if…
- Singleton Gestation.
- Gestational Age: Participants must be at a term ≥ 37 weeks
- Timing of Examination: Sonographic EFW must be performed within 48 -72 hours prior to delivery.
- Welling to share in the study.
You may not qualify if…
- Fetal Anomalies.
- Amniotic Fluid Disorders: oligohydramnios or polyhydramnios
- Maternal morbid obesity (BMI > 40 kg/m2)
- Maternal medical disorders: as diabetes, hypertension, systemic lupus erythromatosis or others affecting fetal growth
- Fetal Hydrops
- Fetal Malpresentation
- Fetal growth restriction
Full record on ClinicalTrials.gov
Trial information comes from ClinicalTrials.gov and is refreshed daily. TrialsForMe does not provide medical care and does not run the studies it lists.