[Table/Fig-2]:

Intraclass correlation with confidence intervals and t-test p-values.

Parameters		Intra-class correlation	95% Confidence Interval		t test p value
			Lower Bound	Upper Bound
Second trimester	HC AC FL BPD TCD AVERAGE	0.997 0.995 0.997 0.996 0.998 0.997	0.995 0.991 0.994 0.992 0.997 0.996	0.998 0.997 0.998 0.998 0.999 0.999	p 0.0001,HS p 0.0002,HS p 0.0001,HS p 0.0001,HS p 0.0001,HS p 0.0001,HS
Third trimester	HC AC FL BPD TCD AVERAGE	0.959 0.959 0.980 0.954 0.982 0.977	0.695 0.446 0.959 0.694 0.865 0.850	0.982 0.989 0.994 0.984 0.993 0.992	p 0.0007,HS p 0.0008,HS p 0.0005,HS p 0.0007,HS p 0.0006,HS p 0.0007,HS
Total	HC AC FL BPD TCD AVERAGE	0.995 0.996 0.997 0.995 0.998 0.996	0.989 0.984 0.997 0.992 0.995 0.996	0.998 0.998 0.999 0.997 0.999 0.999	p 0.0004,HS p 0.0005,HS p 0.0003,HS p 0.0004,HS p 0.0004,HS p 0.0004,HS

*LMP-Last Menstrual Period, HC-Head Circumference, AC-Abdominal Circumference, FL-Femur Length, BPD-Biparietal Diameter, TCD-Transcerebellar Diameter.