Classification of diabetes in pregnancy

Type 1 diabetes (autoimmune beta cell destruction, usually leading to absolute insulin deficiency):

Without vascular complications
With vascular complications (eg, nephropathy, retinopathy, hypertension, atherosclerotic cardiovascular disease, etc)

Type 2 diabetes (progressive loss of insulin secretion, often in the setting of insulin resistance):

Without vascular complications
With vascular complications (eg, nephropathy, retinopathy, hypertension, atherosclerotic cardiovascular disease, etc)

Gestational diabetes (diabetes diagnosed during pregnancy and not clearly overt [eg, not type 1 or type 2 diabetes])

Other diabetes (eg, genetic defects of beta cell function or insulin action, drug- or chemical-induced, pancreatic disease, endocrinopathy)

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