TABLE 2.

Comparison of biometric and Doppler indices between the two groups obtained at the time of the two ultrasonographic examinations

Characteristics	Pregnancies complicated by SARS‐CoV‐2 infection (N = 49)	Pregnancies not complicated by SARS‐CoV‐2 infection (N = 98)	p value
Second trimester scan
HC z value	−0.07 (−0.63 to 0.56)	0.18 (−0.34 to 0.76)	0.229
AC z value	−0,04 (−0.54 to 0.9)	0.01 (−0.48 to 0.89)	0.526
FL z value	0.36 (−0.15 to 095)	0.23 (−0.48 to 0.70)	0.163
EFW z value	0.19 (−0.65 to 0.68)	0.25 (−0.24 to 0.69)	0.168
Mean uterine artery PI z value	0.06 (−0.40 to 0.60)	0.14 (−0.37 to 0.62)	0.183
35–38 weeks scan
HC (mm)	326 (320–336)	328 (322–339)	0.104
HC z value	−0.16 (−0.97 to 0.48)	0.18 (−0.40 to 0.89)	0.133
AC (mm)	322 (312–351)	323 (314–347)	0.526
AC z value	0.01 (−0.58 to 0.82)	0.06 (−0.53 to 0.70)	0.957
FL (mm)	69 (66–70)	68 (67–71)	0.745
FL z value	0.27 (−0.97 to 0.87)	0.21 (−0.70 to 0.91)	0.942
EFW (g)	2812 (2640–2980)	2829 (2640–2930)	0.672
EFW z value	0.14 (−0.76 to 0.78)	0.02 (−0.76 to 0.52)	0.235
Mean uterine artery PI z value	0.04 (−0.65 to 0.74)	0.06 (−0.52 to 0.62)	0.309
UA PI z value	−0.09 (−0.58 to 0.75)	0.01 (−0.61 to 0.73)	0.354
MCA PI z value	0.20 (−65 to 0.85)	0.11 (−0.62 to 0.84)	0.444
CPR z value	−0.19 (−0.52 to 0.71)	0.04 (−0.44 to 0.69)	0.240
UCR z value	−0.11 (−0.44 to 0.61)	0.07 (−0.39 to 0.67)	0.300

Abbreviations: AC, abdominal circumference; CPR, cerebroplacental ratio; EFW, estimated fetal weight; FL, femur length; HC, head circumference; MCA, middle cerebral artery; PI, pulsatility index; SARS‐CoV‐2, severe acute respiratory syndrome coronavirus 2; UA, umbilical artery; UCR, umbilical cerebral ratio.

Data are expressed as median (interquartile range).