DIAMIND: Diabetes SMS text reminders for women who have had gestational diabetes mellitus to test for type 2 diabetes or impaired glucose tolerance in the postpartum period

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Gestational diabetes is a form of diabetes, or glucose intolerance, that develops during pregnancy. Women who have had gestational diabetes are many times more likely to develop type 2 diabetes in the future compared with women who have normal blood glucose levels during pregnancy. Thus, it is important to screen these women after they have given birth to see whether they have type 2 diabetes, such that it can be treated, or to see whether they are on the way to developing type 2 diabetes (have impaired glucose tolerance), such that preventative changes can be made. The best way of detecting type 2 diabetes and impaired glucose tolerance is with an oral glucose tolerance test, and this test is recommended by many health organisations, such as the Australasian Diabetes in Pregnancy Society, to be undertaken in the early postpartum period. Despite this, evidence shows that many women who have had gestational diabetes do not receive this follow up testing. The DIAMIND study is aiming to test whether a text message based reminder system (using mobile phone technology) will increase the number of women who have had gestational diabetes who undertake oral glucose tolerance testing in the postpartum period.