Gestational diabetes causes
The causes of diabetes in pregnancy also known as gestational diabetes remain unknown. However, there are a number of risk factors that increase the chances of developing this condition:
Family history of gestational diabetes
Overweight or obese
Suffer from polycystic ovary syndrome
Have had a large baby weighing over 9lb
Causes of gestational diabetes may also be related to ethnicity - some ethnic groups have a higher risk of gestational diabetes.