Not many people know what is gestational diabetes. Most people believe that when you have diabetes and you get pregnant the condition is known as gestational diabetes or diabetes during pregnancy. A lot of women who are diabetic can get pregnant and have had safe deliveries. But this cannot be termed as gestational diabetes as it is not RIGHT! Gestational diabetes is a condition when a woman becomes diabetic for the first time during pregnancy. Dr Pradeep Gadge Diabetologist Shreya Diabetes Centre Mumbai explains how is gestational diabetes caused. Also read about complications of gestational diabetes nobody tells you about.