Table 3. Doppler flowmetry parameters before and after submaximal exercise test in pregnant women.

Doppler flow variable	Exercise test		p value*
	Before	After
Pulsatility index of the right uterine artery	0.76	0.74	0.65
Pulsatility index of the left uterine artery	0.80	0.76	0.43
Resistance index of the umbilical artery	0.65	0.62	0.02**
Pulsatility index of the umbilical artery	1.06	0.96	0.01**
Umbilical artery systole/diastole	3.00	2.78	0.06
Resistance index of the middle cerebral artery	0.85	0.85	0.88
Pulsatility index of the middle cerebral artery	2.07	2.09	0.82
Middle cerebral artery systole/diastole	8.23	8.58	0.64
Pulsatility index of the ductus venosus	0.34	0.28	0.10

* Paired t test; ** significant p value.