Table 2.
Fetal organ weights in young versus aged dams.
| Female | Male | |||
|---|---|---|---|---|
| Young | Aged | Young | Aged | |
| Heart (g) | 0.025 ± 0.001 | 0.022 ± 0.0008 | 0.026 ± 0.0008 | 0.022 ± 0.0007* |
| Heart (% of Fw) | 0.669 ± 0.04 | 0.660 ± 0.03 | 0.650 ± 0.02 | 0.641 ± 0.03 |
| Brain (g) | 0.186 ± 0.003 | 0.176 ± 0.002 | 0.193 ± 0.002 | 0.174 ± 0.004* |
| Brain (% of Fw) | 4.9 ± 0.07 | 5.2 ± 0.18 | 4.8 ± 0.09 | 5.0 ± 0.19 |
| Liver (g) | 0.331 ± 0.007 | 0.356 ± 0.011 | 0.308 ± 0.016 | 0.310 ± 0.016* |
| Liver (% of Fw) | 8.71 ± 0.20 | 9.16 ± 0.56 | 8.94 ± 0.19 | 8.96 ± 0.26 |
| Kidney (g) | 0.028 ± 0.002 | 0.031 ± 0.0009 | 0.026 ± 0.0007 | 0.029 ± 0.001 |
| Kidney (% of Fw) | 0.73 ± 0.05 | 0.77 ± 0.02 | 0.80 ± 0.02 | 0.84 ± 0.02 |
| Brain/Liver | 0.56 ± 0.016 | 0.54 ± 0.016 | 0.58 ± 0.029 | 0.56 ± 0.023 |
Data presented as mean ± SEM. Data are from 7 fetuses per sex from 4–5 dams per group. Fw: fetal weight. Significant difference for maternal age within one sex was determined by unpaired t test, *p < 0.05.