SARS2 and gestational diabetes: To investigate the effect of GDM on neonatal SARS-CoV-2 infection, we divided the cohort into 3 groups according to the infectious status of SARS-CoV-2 and appearance of GDM, composed of the normal healthy pregnant women (Normal group), the SARS-CoV-2 infected pregnant women without GDM (SARS2 + noGDM group), and the infected women with GDM (SARS2 + GDM group), then we compared their differences in maternal, paternal, and fetal characteristics.