Figure 1.

A: Cumulative detection rate of an abdominal circumference ≥90th percentile in all 518 pregnancies with at least one event of fetal abdominal circumference >90th percentile according to the number of the scan when abdominal circumference >90th percentile was diagnosed for the first time (50.4% had two, 26.3% had three, 15.3% had four, and 8.1% had five or six ultrasound examinations). B: Rate of non-LGA newborns (sensitivity) according to number of scans with abdominal circumference <90th percentile. Data are given for the total population and for women with and without maternal risk factors (RF).