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2. Trends in prevalence and outcomes of pregnancy in women with pre-existing type I and type II diabetes;Bell;BJOG,2008
3. Hyperglycaemia and adverse pregnancy outcomes;Metzger;N Engl J Med,2008
4. Postnatal care: routine postnatal care of women and their babies,2006
5. Diabetes in pregnancy;National Institute for Health and Clinical Excellence,2008