Metformin for the Treatment of Microvascular Dysfunction After Gestational Diabetes

The purpose of this investigation is to examine the mechanisms mediating vascular dysfunction in women who have had gestational diabetes and how metformin may be a valuable treatment tool to improve microvascular function in these women before the onset of disease.

Inclusion Criteria: * ≥12 weeks and ≤5 years postpartum * history of GDM or healthy pregnancy Exclusion Criteria: * prediabetes or diabetes (HbA1c ≥5.7%) * current tobacco use * cardiovascular or metabolic disease * cardiovascular or metabolic medication * history of hypertension during pregnancy * current pregnancy