MODIFIED WHITE'S CLASSIFICATION OF DIABETES IN PREGNANCY

Gestational Diabetes Mellitus Insulin Requiring (GDM):
Abnormal carbohydrate toleance during pregnancy only requiring insulin

Class A: Abnormal carbohydrate toleance in the nonpregnant state identified before the present pregnancy that does not require insulin either before or during the pregnancy.

Class B: Onset of insulin-requiring diabetes after 20 years of age, with duration of les than 10 yr.

Class C: Onset of insulin-requiring diabetes between 10 and 20 years of age with duration of les than 20yr, or duration 10-20 yr regardles of age of onset.

Class D: Onset of insulin-requiring diabetes before 10 years of age, or duration greater than 20 yr regardles of age of onset, or insulin-requiring diabetes with chronic hypertension, or insulin-requiring diabetes with benign retinopathy.

Class F: Insulin-requiring diabetes with diabetic nephropathy (proteinuria of greater than 500 mg in a 24-hr urine collection).

Class R: Insulin-requiring diabetes with proliferative retinopathy.

Class T: Insulin-requiring diabetes with renal transplant.

Class H: Insulin-requiring diabetes with coronary artery disease.