Table 3.
Urinary iodine concentration, body weight, thyroid lobe weight, wet heart weight, dry heart weight and dry heart to body weight ratio of rat dams exposed to high iodine concentration during pregnancy and lactation periods.
Groups | UIC (µg/dL) | BW (g) | TLW (mg) | WHW (g) | DHW (g) | DHW/BWa |
---|---|---|---|---|---|---|
Control | 42.0 ± 1.9 | 309.1±7.0 | 20.02±0.5 | 0.98±0.03 | 0.25±0.01 | 0.79±0.01 |
5× | 160.0 ± 7.9*** | 299.1± 8.8 | 19.9±0.7 | 0.84±0.03* | 0.20±0.01** | 0.67±0.01*** |
50× | 510.0 ± 20.6***/••• | 305.1±9.7 | 20.21±0.9 | 0.87±0.03* | 0.21±0.01** | 0.68±0.01*** |
Values multiplied by 1000. Results are expressed by means ± s.e.m., n = 10 per group. **P < 0.01; ***P < 0.001 vs Control. •••P < 0.001 vs 5×.
UIC, urinary iodine concentration; BW, body weight; TLW, thyroid lobe weight; WHW, wet heart weight; DHW, dry heart weight; DHW/BW, dry heart weight to body weight ratio.