Table 1.
Fetal Heart Rate and Doppler Indices Pre and Post-Exercise in All Groups
| Variable | Non-Exercisers (n=15) |
Regularly Active (n=15) |
Highly Active* (n=15) |
P |
|---|---|---|---|---|
| Fetal Heart Rate (beats per minute) | Group: .017 | |||
| Pre | 141.8 ± 8.4 | 137.7 ± 6.5 | 138.9 ± 8.1 | Time: .660 |
| Post | 148.5 ± 10.3 | 147.9 ± 16.2 | 126.8 ± 34.4 | Interact: .033 |
| Umbilical Artery S/D Ratio | Group: .330 | |||
| Pre | 2.58 ± .34 | 2.71 ± .38 | 2.69 ± .26 | Time: .100 |
| Post | 2.51 ± .42 | 2.45 ± .28 | 2.70 ± .45 | Interact: .232 |
| Umbilical Artery RI | Group: .306 | |||
| Pre | .60 ± .05 | .62 ± .05 | .62 ± .04 | Time: .018 |
| Post | .59 ± .06 | .58 ± .05 | .62 ± .05 | Interact: .320 |
| Umbilical Artery PI | Group: .236 | |||
| Pre | .86 ± .11 | .90 ± .10 | .90 ± .07 | Time: .074 |
| Post | .83 ± .12 | .83 ± .09 | .91 ± .15 | Interact: .208 |
| Uterine Artery S/D Ratio | Group: .279 | |||
| Pre | 1.96 ± .48 | 1.91 ± .28 | 1.98 ± .32 | Time: .518 |
| Post | 1.85 ± .25 | 1.95 ± .41 | 2.17 ± .50 | Interact: .242 |
| Uterine Artery RI | Group: .270 | |||
| Pre | .46 ± .10 | .47 ± .08 | .48 ± .08 | Time: .511 |
| Post | .45 ± .07 | .47 ± .09 | .52 ± .09 | Interact: .257 |
| Uterine Artery PI | Group: .232 | |||
| Pre | .61 ± .18 | 0.61 ± .13 | .64 ± .14 | Time: .457 |
| Post | .59 ± .12 | 0.62 ±.16 | .73 ± .22 | Interact: .266 |
Data are mean ± Standard Deviation.
*
Includes 5 subjects with bradycardias. S/D: Systolic to Diastolic ratio; RI: Resistance Index; PI: Pulsatility Index.
P values: Two-way ANOVA with repeated measures. Main effects for group and time (pre and post-exercise) and group by time interaction.