LEP and gestational diabetes: There were significant differences between control and GDM women in maternal serum proinflammatory cytokines levels: IL-6 (3,0±1,7 vs 9,97±4,5 pg/mL; p=0.001) and TNF-α (2,1±1,3 vs 4,5±2,8 pg/mL; p=0.002), and adipokine levels: leptin (5360,2±2499,9 vs 10026,7±5628,8 pg/mL; p=0.002).