AHSG and gestational diabetes: It has been revealed that placental fetuin-A concentration increases in patients with GDM and the mRNA level of fetuin-A increased in the placental tissue of patients with GDM and it is speculated that fetuin-A was also synthesized locally.12 It was uncovered in our study that the local expression of fetuin-A is significantly higher in ACs and HUVECs of patients with GDM.