Table 1. Maternal characteristics, first-trimester combined screening data, OGTT results, and odds ratios for basic risk factors for GDM.

Legend: Data are expressed as mean (SD). Abbreviations: fβ-hCG - free beta human chorionic gonadotropin, MoM - multiple of median, NT - nuchal translucency, OGTT - oral glucose tolerance test, PAPP-A - pregnancy-associated plasma protein A.