In the GDM group, circulating ANGPTL8 was positively associated with TG, TC, AUC for OGTT, BMI, and birthweight, respectively (P < 0.05; Figure 3(a)–3(c), 3(e), 3(f)), while no correlation with HOMA-IR (P > 0.05; Figure 3(d)). Here, ANGPTL8 is linked to gestational diabetes.