IGF1 and gestational diabetes: The median IGF-I value for GDM-G1 was lower (1.36 (0.95–2.01) ng/mL), but not significantly, in comparison to GDM-G2 (1.84 (1.50–2.60) ng/mL) and non-GDM cohorts (1.74 (1.60–2.06) ng/mL).