To observe the maternal and neonatal outcomes among women with diabetes mellitus in pregnancy as compared to healthy control. A case-control study involving 400 women with DM who delivered between 2005 to 2009 was done with age-matched control group. A total of 305 women (76.25%) were gestational diabetes mellitus (GDM) on diet control, 79 (19.75%) were GDM on insulin and 16 (4%) were pre-existing DM. The mean body mass index of the women with diabetes was higher compared to the age-matched healthy women (p