Fig. 1

Plasma glucose during oral glucose tolerance test (OGTT) according to genotypes of rs17619600 (rare dominant model). OGTT was performed between 24 and 28 weeks of gestation in 636 women with (n = 196) and without (n = 440) gestational diabetes mellitus. P value was adjusted for age at last menstrual period, previous body mass index, and weight gain during pregnancy