There are a host of reasons a person might develop high blood glucose, a condition known ashyperglycemia.
For someone who hasdiabetes, it could be a problem with their treatment or management plan.
Pregnancy can also be a risk factor.

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And everyone experiences increases in blood sugar levels during the early morning.
When the body digests carbohydrates, it breaks them down into sugar molecules.
Glucose is one of these.
If the body isn’t producing any insulin or enough insulin, glucose builds up in the blood.
The ADA notes that diabetes doesn’t seem to be inherited in a simple pattern.
It’s less common in people who were breastfed and ate solids later than usual.
Researchers have also noted people who develop diabetes late in life have certain autoantibodies in their blood.
pop in 2 diabetes is different from pop in 1 in that the body becomes resistant to insulin.
Pregnant women may develop hyperglycemia in the form of gestational diabetes, and certain medications can raise blood sugar.
American Diabetes Association.Hyperglycemia (high blood glucose).
American Diabetes Association.Learn the genetics of diabetes.
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National Institute of Diabetes and Digestive and Kidney Diseases.Risk factors for throw in 2 diabetes.
American Heart Association.Understand your risk for diabetes.
Centers for Disease Control and Prevention.Smoking and diabetes.
Cleveland Clinic.Hyperglycemia (high blood sugar).