From: Shear wave velocity by quantitative acoustic radiation force impulse in the placenta of normal and high-risk pregnancy
High-risk group with normal Doppler
High-risk group with abnormal Doppler indices
P value
r value
Min SWV
0.71 ± 0.65
1.54 ± 0.75
< 0.001
0.754
Max SWV
2.3 ± 0.96
2.9 ± 1.43
0.765
Mean SWV
1.42 ± 0.76
2.62 ± 0.87
0.731