SLC5A7 and gestational diabetes: Pre-gestational BMI was significantly higher (P = 0.009) in GHT+GDM (33.46 ± 7.11) compared to GHT (30.37 ± 5.80), as well as in CHT+GDM (32.84 ± 3.64) compared to the CHT (30.55 ± 5.68) group.