How common is gestational diabetes?

2-4% of Pregnancies: It varies depending on your risk factors. Women with a body mass index (a BMI classified as "obese") are at higher risk, as are those with a a family history of diabetes, or a personal history of gestational diabetes during a prior pregnancy. Up to 70% of women with it will get diabetes later in life, so you must get testing after delivery, and each year.

2-10%: 2-10% pregnancies have either diabetes or gestational diabetes.