ANOVA analysis of Cry2 gene expression showed significant difference between the C/C offspring vs. the HF/C offspring at ZT0 and ZT20 (both at p < 0.05) and at ZT4 (p < 0.01), vs. the C/HF and the HF/HF offspring both at ZT8 (p < 0.01). Here, CRY2 is linked to hydrops fetalis.