Effects of Yoga on Utero-Fetal-Placental Circulation in High-Risk Pregnancy: A Randomized Controlled Trial
Table 5
Fetoplacental circulation between groups.
Gestational age
Mean ± SD
values
Yoga ()
Control ()
Umbilical artery
Systolic/diastolic ratio
20th wk
2.7 ± 0.41
3.3 ± 1.1
0.001
28th wk
2.6 ± 0.5
2.9 ± 0.6
0.031
Pulsatility index
20th wk
1.01 ± 0.18
1.37 ± 0.34
0.001
28th wk
0.87 ± 0.18
1.05 ± 0.23
0.001
Resistance index
20th wk
0.65 ± 0.05
0.70 ± 0.09
0.011
28th wk
0.63 ± 0.08
0.66 ± 0.06
0.091
Fetal middle cerebral artery
Systolic/diastolic ratio
20th wk
5.02 ± 1.47
5.77 ± 2.04
0.537
28th wk
5.05 ± 1.64
6.62 ± 2.26
0.01
Pulsatility index
20th wk
1.86 ± 0.45
2.18 ± 0.67
0.151
28th wk
1.74 ± 0.53
2.28 ± 1.10
0.013
Resistance index
20th wk
0.77 ± 0.07
0.80 ± 0.07
0.22
28th wk
0.80 ± 0.08
0.85 ± 0.08
0.048
Calculated using Independent Samples -test.
bCalculated using Mann-Whitney test. Remarks: ratio, PI, and RI parameters of umbilical and fetal middle cerebral arteries were significantly improved in the yoga group after 16 weeks of intervention, except for the RI of umbilical artery, which was near significance.
