The impact differential of diabetes for Aboriginal maternal and infant health outcomes is different to Caucasian outcomes. With maternal diabetes, Aboriginal infant's birth weight increases and stillbirth rate is 22/1000 for gestational diabetes mellitus (GDM) and 53/1000 for pre-existing diabetes while for Caucasian infant's birth weight decreases and stillbirth rate is 3/1000 for GDM and 11/1000 for pre-existing diabetes. Equity of services is required to achieve equality of health outcomes.