Continuous Glucose Monitoring to Detect Postpartum Dysglycemia in Patients With Gestational Diabetes

The aim of this study is to determine the ability of postpartum continuous glucose monitoring (CGM) for subjects with gestational diabetes (GDM) to predict dysglycemia on 4-12 week postpartum oral glucose tolerance test (OGTT).

Inclusion Criteria: 1. Age greater than or equal to 18 2. Completed pregnancy with delivery of a live born infant(s). Pregnancies with multiple gestations will be included 3. No prior history of type 1 or type 2 diabetes \* Patients with a history of gestational diabetes (GDM) in a prior pregnancy will be eligible for inclusion. 4. GDM diagnosis by standard screening at 24-28 weeks * 2 hour 75g oral glucose tolerance test (OGTT); one abnormal value required for diagnosis * Fasting glucose 92 * 1 hour 180 * 2 hour 153 * 3 hour 100g OGTT - two abnormal values required for diagnosis * Fasting glucose - 95 * 1 hour 180 * 2 hour 155 * 3 hour 140 There are no exclusion criteria for this study. Eligibility will be based on inclusion criteria.