Table 1.

Body weight (BW), dry heart weight (DHW), dry heart to body weight ratio (DHW/BW), T₃, T₄ and TSH serum concentrations of adult male offspring of rat dams exposed or not to IE treatment during pregnancy and lactation periods.

	Control	5-HI
BW (g)	354 ± 11.5	336 ± 6.4
DHW (g)	0.27 ± 0.01	0.22 ± 0.01**
DHW/BW (g)A	0.76 ± 0.02	0.66 ± 0.01**
T 3 (ng/dL)	25.0 ± 1.1	18.4 ± 0.7**
T4 (μg/dL)	7.06 ± 0.2	6.31 ± 0.2*
TSH (ng/mL)	1.2 ± 0.1	3.3 ± 0.5***

^AValues multiplied by 1000. Results are expressed by means ± SEM, n = 6-10 per group. *P < 0.05, **P < 0.01, ***P < 0.01 vs. Control.