Objectives: To assess the contribution of sonographically measured parameters, namely head circumference, biparietal diameter, abdominal circumference, and femur length, to fetal weight estimation formulas. Methods: The Sobol' method is employed for the global sensitivity analysis of the biometric parameters. Results: The Sobol' sensitivity indices for the parameters of 32 known formulas are presented and discussed. Conclusions: Depending on the formula, the indices of some parameters show substantial fluctuations, while others are insignificant for fetal weight estimation.
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Bitsouni et al. (2024) studied this question.
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