Women most at risk are those who:
- are over 35 years of age
- have a family history of type 2 diabetes
- are overweight or obese
- are of Aboriginal, Torres Strait Islander, Indian, Asian, Middle Eastern, Mediterranean or Polynesian ethnic background
- have had gestational diabetes during previous pregnancies
- have previously had a baby weighing over 4kg
- have polycystic ovarian syndrome (PCOS)