CYP7A1 and hydrops fetalis: In the HF+Fn041 and HF+LGG groups, the liver Cyp7a1 and Lxr mRNA expression levels were significantly higher than those in the HF group, and the ileal bile transport gene Slc10a2 mRNA expression level was significantly lower than that in the HF group (p < 0.01, Figures 7C–E).