Results: Some factors associated with GDM: a history of immediate family has diabetes increases risk GDM, with OR = 2.14; 95% CI (1.02 - 4.46), age ≥ mother 35 related with GDM, with OR = 4.52; 95% CI (1.68 - 12.14), body mass index before pregnancy ≥ 25 (OR = 2.59; 95% confidence interval (1.06 - 6.93)), excessive weight gain during pregnancy (OR = 2.92; 95% CI (1.52 - 5.60)), glucose appears in the urine (OR = 6.86; 95% CI (3.53 - 13.33)), history of stillbirth increases risk GDM, with OR = 4.08; 95% CI (1.55 - 10.75).