Pregnancy Related Diabetes. Gestational diabetes is treated through diet and exercise. The only cure for preeclampsia is delivery; in severe cases, obstetricians will induce labor or perform a cesarean section. Both gestational diabetes and preeclampsia are potentially serious complications.© Sarah Small/Getty Images. When blood meets nitrogen oxides: pregnancy complications and air pollution exposure. Tillett T - Environmental health perspectives (2013). Not Altered. CC.