History of Gestational Diabetes Mellitus and Future Risk of Atherosclerosis in Midâ€life: The Coronary Artery Risk Development in Young Adults Study Gestational diabetes can be controlled with meal planning, activity and occasionally insulin or other types of medications. Science Recorder | James Fluere | Friday, March 14, 2014 According to a statement from the American Heart Association, gestational diabetes — a condition characterized by high blood sugar levels that is first recognized during pregnancy — may increase risk for heart disease in midlife. Fortunately, the condition can be controlled with meal planning, activity and occasionally insulin or other types of...