INS and hydrops fetalis: According to the functional analysis of these DEGs, there were 36 pathways significantly enriched from the upregulated DEGs in the HF+CLA group compared with the HF group, including the insulin signaling pathway, PI3K-Akt signaling pathway, AMPK signaling pathway, arachidonic acid metabolism, linoleic acid metabolism, purine metabolism, arginine and proline metabolism (Figure 3D, p < 0.05).