Table 1.

White Classification

A: Abnormal glucose tolerance test at any age or of any duration treated only by diet therapy

B: Onset at age 20 years or older and duration of less than 10 years

C: Onset at age 10 to 19 years or duration of 10 to 19 years

D: Onset before 10 years of age, duration over 20 years, benign retinopathy, or hypertension (not preeclampsia)

– D1: Onset before age 10 years

– D2: Duration over 20 years

– D3: Calcification of vessels of the leg (macrovascular disease)

– D4: Benign retinopathy (microvascular disease)

– D4: Hypertension (not preeclampsia)

R: Proliferative retinopathy or vitreous hemorrhage

F: Renal nephropathy with over 500 mg/d proteinuria

RF: Criteria for both classes R and F

G: Many pregnancy failures

H: Evidence of arteriosclerotic heart disease

T: Prior renal transplant

Gestational diabetes

– A1: Controlled by diet and exercise

– A2: Requires insulin

Data from White P.³