Results showed that the levels of ZO-1 (unpaired two-tailed t-test, t8 = 3.457, p = 0.0086) and occludin (unpaired two-tailed t-test, t8 = 3.923, p = 0.0044) were lower in the I-HF group than in the C-HF group (Figure 5E–G). Here, OCLN is linked to hydrops fetalis.