Table 1.
Demographic characteristics of the study population.
Table 2.
Fetal biometric parameters of the study population according to the gestational age ranges.
Fig 1.
Receiver operating characteristic (ROC) curve of fetal biometric parameters predicting small for gestational age according to the gestational age ranges.
(A) BPD (B) HC (C) AC (D) FL (E) EFW. The period 1, 2, 3 mean 24+0~28+6, 29+0~32+6, and 33+0~35+6 weeks of gestation, respectively. BPD, biparietal diameter; HC, head circumference; AC, abdominal circumference; FL, femur length; EBW, estimated fetal weight.
Table 3.
Diagnostic performance of fetal biometric parameters for the prediction of small for gestational age according to the gestational age ranges.
Table 4.
Adjusted risk factors for small for gestational age according to the gestational age ranges.
Fig 2.
Distribution of ultrasonographic parameters and estimated fetal weight of the study population according to the gestational age ranges.
(A) BPD (B) HC (C) AC (D) FL (E) EFW. AGA, adequate for gestational age; SGA, small for gestational age; BPD, biparietal diameter; HC, head circumference; AC, abdominal circumference; FL, femur length; EFW, estimated fetal weight.