Fig. 2From: Early L-T4 intervention improves fetal heart development in pregnant rats with subclinical hypothyroidism rats by activating BMP4/Smad4 signaling pathwayL-T4 promotes cardiac development in the offspring of SCH pregnant rats. a Body weight of the offspring of SCH pregnant rats. b The ratio of heart weight to body weight (Heart/Body Weight) of the offspring of SCH pregnant rats. Results are expressed as the mean ± SEM (n = 5 per group). *p < 0.05 vs Sham group; #p < 0.05 vs SCH groupBack to article page