IL10 and gestational diabetes: A recent whole-genome study discovered significant methylation differences of the IL-10 gene between maternal blood and cord blood in a GDM population (Kang et al., 2017), while other studies have reported both decreased and increased IL-10 serum levels in hyperglycemic environments (van Exel et al., 2002; Atègbo et al., 2006; Al-Shukaili et al., 2013).