Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
A forest plot representing sensitivities and specificities of the studies that used ultrasound abdominal circumference to detect estimated fetal weight discordance (EFWD) of 20%. FN: false negative; FP: false positive; TN: true negative; TP: true positive.
