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Resting values of respiratory measures.
| Follicular phase | Ovulatory phase | |
|---|---|---|
| VE (L/min) | 9.5 ± 2.5 | 8.9 ± 1.5 * |
| RR (breaths/min) | 14 ± 5 | 15 ± 5 |
| VT (mL) | 732 ± 273 | 619 ± 202 * |
| PETCO2 (mmHg) | 36.8 ± 3.9 | 36.8 ± 3.2 |
| RER | 0.89 ± 0.11 | 0.89 ± 0.07 |
VE: minute ventilation; RR: respiratory rate; VT: tidal volume; PETCO2: partial pressure of end-tidal carbon dioxide; RER; respiratory exchange ratio.
main effect of phase, p < 0.05. Data are presented as mean ± SD.
