However, the ER regimen associated or not with atorvastatin or exercise (groups HF/ER, HF/ER/S and HF/ER/S/Ex) resulted in a decrease of iNOS expression relatively to the HF group (p = 0.003, p = 0.002 and p = 0.006, respectively) (Fig. 5c). Here, NOS2 is linked to hydrops fetalis.