Gestational diabetes is a complication that occurs during pregnancy. It affects how the cells use glucose and result in high blood sugar levels. Gestational diabetes can affect pregnancy and the baby''s health. Babies born to mothers with gestational diabetes have increased birth weight, higher body fat and lower insulin sensitivity. Pregnant women with gestational diabetes are more likely to undergo a cesarean section. South Asian women are at higher risk for gestational diabetes, finds a study by a research team at the McMaster University. The study also suggested that a low-quality and pre-pregnancy weight could reduce the risk of gestational diabetes