As a survey,Out of every 100 pregnant women in the United States, 3 to 8 get gestational diabetes. Therefore, it is necessary to diagnose; early diagnosis is always good for both mother and baby.

Gestational diabetes causes
Almost all women have some degree of impaired glucose intolerance during pregnancy due to hormonal changes that occur during pregnancy. That means that their blood glucose is higher than normal, but not high enough to have diabetes. During the later part of pregnancy, these hormonal changes place a pregnant woman at risk for gestational diabetes.
What is Gestational diabetes?
Pregnant women who have never had diabetes before but who have high blood-glucose levels during pregnancy called gestational diabetes.
Gestational diabetes causes
Almost all women have some degree of impaired glucose intolerance during pregnancy due to hormonal changes that occur during pregnancy. That means that their blood glucose is higher than normal, but not high enough to have diabetes. During the later part of pregnancy, these hormonal changes place a pregnant woman at risk for gestational diabetes.