In recent years a very marked drop of complications in mothers with type 1 diabetes (DM 1) and type 2 diabetes (DM 2) was achieved. Nevertheless this group of patients is still considered at risk. The most serious possible complications are congenital malformations of the foetus and possible deterioration of long-term diabetic complications of the mother. The subsequent text is a brief review of contemporary views on pregnancy of diabetic patients.

        Key words: Diabetes mellitus - Complications of pregnancy - Congenital malformations - Diabetic complications of the mother