Project overview
This observational study evaluated the accuracy of ultrasound-based estimated fetal weight (EFW) in term pregnancies with Small for Gestational Age (SGA) versus Appropriate for Gestational Age (AGA) fetuses at SMS Medical College, Jaipur. Among 100 participants (50 in each group), ultrasound measurements taken within seven days before delivery were compared to actual birth weights. While ultrasound tended to overestimate weight in both groups, SGA fetuses were more often underestimated, and AGA fetuses overestimated. The AGA group had significantly higher mean absolute and relative errors than the SGA group, though overall deviations remained within clinically acceptable limits. These findings highlight ultrasound’s continued reliability for fetal weight assessment near term, with minor caution warranted in interpreting estimates for SGA and AGA extremes. Understanding these patterns helps optimize perinatal decision-making, particularly when managing suspected intrauterine growth restriction, and reinforces ultrasound’s role as a cornerstone.
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