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Effect of pregnancy on baroreflex parameters, mean arterial pressure (MAP), and heart rate (HR).
| Variable | Pregnant (n=12) | Virgin (n=16) | P |
|---|---|---|---|
| Maximal Gain (bpm/mmHg) | 2.41±0.23 | 4.64±0.27 | <0.0001 |
| Maximum (bpm) | 455±15 | 507±12 | 0.01 |
| Minimum (bpm) | 263±14 | 261±7 | ns |
| Range (bpm) | 192±19 | 246±9 | <0.01 |
| Width (mmHg) | 20.8±1.6 | 13.8±0.8 | <0.001 |
| MAP50 (mmHg) | 89±5 | 100±3 | 0.05 |
| MAP (mmHg) | 81±3 | 102±3 | <0.0001 |
| HR (bpm) | 370±6 | 366±8 | ns |
