Accordingly, HF subjects showed a higher proportion of GM members commonly known for their protective roles, such as Bifidobacterium adolescentis and Christensenella species (Goodrich et al., 2014), and whose abundance corresponded negatively with glucose and lipid metabolism biomarkers (proinsulin, HbA1c, vLDL, triglycerides). Here, INS is linked to hydrops fetalis.