Table 1.
Gastrointestinal motility parameters recorded by AC biosusceptometry (cecum arrival and frequency of contractions) and by electromyography (frequency and amplitude of contractions) during pregnancy and the estrous cycle in female rats
| Days/phases | Frequency EMG (cpm) | Amplitude ACB (dB) | Amplitude EMG (dB) | Cecum arrival (min) | |
| Pregnancy | 0 (control) | 70.0 ± 7.0 | 66.79 ± 14.41 | 52.82 ± 7.02 | 254 ± 10.8 |
| 7 | 66.0 ± 6.0 | 72.12 ± 13.98 | 49.79 ± 9.64 | 244 ± 16.0 | |
| 14 | 59.0 ± 7.0a | 71.62 ± 18.97 | 48.41 ± 7.55 | 255 ± 14.8 | |
| 20 | 65.0 ± 9.0 | 69.42 ± 12.75 | 52.97 ± 11.12 | 259 ± 19.9 | |
| Estrous cycle | Diestrus | 65.0 ± 11.0 | 62.10 ± 7.59 | 55.54 ± 11.69 | 260 ± 26.5 |
| Proestrus | 64.0 ± 4.0 | 54.04 ± 10.16 | 54.99 ± 7.47 | 270 ± 16.7 | |
| Estrous | 65.0 ± 8.0 | 52.08 ± 13.09 | 57.20 ± 8.27 | 268 ± 17.1 | |
| Metestrus | 68.0 ± 9.0 | 54.03 ± 10.79 | 54.66 ± 8.25 | 269 ± 21.2 |
Data are expressed as mean ± SD.
a
P < 0.03 vs control (day 0). EGM: Electromyography; ACB: AC biosusceptometry.