TABLE 2.
Maternal body weight, food intake, and endocrine measures during gestation
| Standard chow–control group | Standard chow–stress group | High-fat–control group | High-fat–stress group | |
|---|---|---|---|---|
| n | 11 | 10 | 11 | 10 |
| Gestation day 2–14 (prestress) | ||||
| Body weight | ||||
| Gestation day 2 (g) | 301.4 ± 12.1 | 308.3 ± 20.2 | 300.0 ± 14.2 | 316.9 ± 16.9 |
| Gestation day 14 (g) | 386.0 ± 14.9 | 401.9 ± 17.1 | 408.4 ± 17.3 | 424.7 ± 19.7 |
| Body weight gain (g) | 84.7 ± 5.0 | 93.6 ± 7.3 | 108.4 ± 7.3* | 107.8 ± 4.7* |
| Food intake (kcal/day) | 79.6 ± 4.7 | 86.2 ± 4.5 | 109.3 ± 6.6† | 111.2 ± 5.8† |
| Corticosterone, gestation day 14 (ng/ml) | 100.5 ± 13.9 | 126.0 ± 33.0 | 91.1 ± 20.0 | 125.4 ± 7.5 |
| Gestation day 15–21 (stress period) | ||||
| Body weight, gestation day 21 (g) | 474.9 ± 18.3 | 475.1 ± 21.4 | 488.8 ± 21.1 | 488.6 ± 21.1 |
| Body weight gain (g) | 88.9 ± 4.1 | 73.2 ± 8.2 | 80.4 ± 5.9 | 63.9 ± 2.9* |
| Food intake (kcal/day) | 82.5 ± 3.2 | 85.0 ± 4.0 | 95.1 ± 5.6 | 93.5 ± 5.0 |
| Corticosterone, gestation day 21 (ng/ml) | 186.2 ± 31.8 | 389.6 ± 78.0* | 269.8 ± 74.2 | 400.5 ± 61.8* |
| Leptin, gestation day 21 (ng/ml) | 4.6 ± 0.6 | 3.4 ± 0.6 | 10.3 ± 2.0† | 7.6 ± 1.3 |
| Insulin, gestation day 21 (ng/ml) | 2.0 ± 0.3 | 2.0 ± 0.3 | 2.6 ± 0.4 | 2.3 ± 0.4 |
*P < 0.05 vs. standard chow–control group;
†P < 0.05 vs. standard chow–control group and standard chow–stress group.