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Correlation between fetal mild ventriculomegaly and biometric parameters
Michal Fishel-Bartal1,2, Daniel Shai1,2, Avi Shina1,2
1a Antenatal Diagnostic Unit, Department of Obstetrics and Gynecology , The Chaim Sheba Medical Center , Tel Hashomer , Israel.
Summary
Mild fetal ventriculomegaly may correlate with larger fetal biometric measurements, suggesting it is not always pathological. This finding aids in understanding fetal development and potential conditions.
Area of Science:
- Perinatology
- Fetal Medicine
- Medical Imaging
Background:
- Fetal lateral ventricle width is a key parameter in prenatal ultrasound.
- Mild ventriculomegaly is often monitored for potential developmental abnormalities.
- Understanding correlations with other biometric data is crucial for accurate diagnosis.
Purpose of the Study:
- To investigate the relationship between fetal lateral ventricle width and standard biometric measurements.
- To determine if isolated mild ventriculomegaly is associated with altered fetal growth parameters.
- To assess the implications of these correlations for diagnosing fetal conditions.
Main Methods:
- Prospective study of 335 fetuses, including 101 with isolated mild ventriculomegaly and 234 controls.
- Detailed brain ultrasound and full biometric evaluation for all participants.
- Matched analysis comparing 91 cases with 91 controls based on gestational week and gender.
Main Results:
- Fetuses with isolated mild ventriculomegaly showed significantly larger head circumference, biparietal diameter, femur length, and estimated fetal weight compared to controls after matching.
- Gestational week at examination was significantly different between initial groups but comparable after matching.
- No significant differences were found in maternal age, obstetrical history, or mode of conception.
Conclusions:
- Isolated mild ventriculomegaly may be associated with generally larger fetal biometric measurements.
- These findings suggest that mild ventriculomegaly alone may not indicate a pathological condition.
- Further research can refine diagnostic criteria for fetal brain abnormalities.
