LGALS3 and hydrops fetalis: Immunohistochemistry staining showed that the protein expression of galectin-3 was significantly increased in the HF+SR group compared with the control and HF groups (AOD, 0.051 ± 0.005 vs. 0.040 ± 0.005 and 0.043 ± 0.005, both P < 0.05).