SHBG and gestational diabetes: In the GDM group, SHBG was negatively correlated with FPG, HbA1c, FINS, TG, FFA, Lp-PLA2 and HOMA-IR (P<0.05); IGF-1 and Cortisol were positively correlated with FPG, HbA1c, FINS, TG, FFA, Lp-PLA2 and HOMA-IR (P<0.05); SHBG, IGF-1 and Cortisol with TC, HDL-C and LDL-C with no correlation (P>0.05), as shown in Table 4.