Size of the largest echolucent areas at the fetal surface (mm) |
21.3 ± 8.1 |
15.42 ± 11.68 |
0.001 |
Size of the largest echolucent areas at the non-fetal surface (mm) |
19.4 ± 7.04 |
9.21 ± 10.64 |
<0.001 |
Size of the largest echolucent areas extended to both surfaces (mm) |
21 ± 15.3 |
7.77 ± 14.41 |
<0.001 |
Size of the largest echolucent areas enclosed in placenta (mm) |
16.93 ± 7.34 |
11.63 ± 7.60 |
0.01 |
Size of the largest echolucent area at any site (mm) |
29.4 ± 8.4 |
21.66 ± 12.83 |
0.004 |
Number of echolucent areas at the fetal surface |
4.86 ± 2.89 |
2.49 ± 2.08 |
<0.001 |
Number of echolucent areas at the non-fetal surface |
3.53 ± 3.39 |
1.11 ± 1.29 |
<0.001 |
Number of echolucent areas extended to both surfaces |
1.0 ± 0.84 |
0.40 ± 0.87 |
0.001 |
Number of echolucent areas enclosed in placenta |
9.06 ± 2.40 |
5.10 ± 4.26 |
<0.001 |
Total number of intraplacental echolucent areas* |
18.40 ± 6.78 |
9.12 ± 6.45 |
<0.001 |
Number of echolucent areas with flow at the fetal level |
1.86 ± 1.55 |
0.06 ± 0.28 |
<0.001 |
Number of echolucent areas with flow at the non-fetal level |
1.4 ± 1.24 |
0.08 ± 0.39 |
0.01 |
Number of echolucent areas with flow extended to both surfaces |
0.73 ± 0.70 |
0.04 ± 0.25 |
<0.001 |
Number of echolucent areas with flow enclosed in placenta |
4.33 ± 5.12 |
0.06 ± 0.31 |
<0.001 |
Total number of intraplacental echolucent areas with flow* |
7 ± 3.6 |
0.24 ± 0.76 |
<0.001 |
Number of vessels in placenta |
5.53 ± 1.68 |
2.39 ± 2 |
<0.001 |