What causes gestational diabetes ?

Obesity/age/hormones: Excessive maternal weight for height, increasing maternal age, poor dietary habits, family history and placental hormones can all contribute to cause gestational diabetes mellitus in any one pregnant woman. Other risk factors are hispanic race/ethnicity, increasing number of previous pregnancies and multifetal pregnancies (twins, triplets etc).

Insulin resistance: Gestational diabetes is the result of excessive sugar and carbohydrate intake which causes high blood sugar levels, which then make your Insulin levels rise. Plus the hormone changes in preg make prob worse. . Over time the chronically high Insulin levels lead to Insulin resistance and you will need to make higher and higher levels of insulin. You must improve your diet or you will end up with dm.

Insulin Resistance: Gestational Diabetes is the development of glucose "intolerance" after the diagnosis of pregnancy has been made. During pregnancy, at least 6 factors are produced by the pregnancy that interfere with the body's ability to manage blood sugar by blocking the action of insulin. Age, weight, previous history,, and family history are among the risk factors. Diet,and/or medication (oral or insulin)