From: Evaluation of right ventricular function in fetuses with isolated single umbilical artery using spatiotemporal image correlation M-mode
Isolated SUA
control
P-value
Second trimester group (n = 43)
4.46 ± 0.26
4.56 ± 0.26
0.061
Third trimester group (n = 34)
5.90 ± 0.97
6.40 ± 1.02
0.042