Time-in-range Using Continuous Glucose Monitoring Management of Gestational Diabetes Mellitus

Inclusion Criteria: * Age 18-55 years * Singleton pregnancy ≥20 weeks gestation * Diagnosed with GDM by either 1-step (IADPSG) or 2-Step (Carpenter-Coustan) * Compatible, validated phone and operating system to support Dexcom G6 CGM App (See Supplementary Table 1) or option to use receiver Exclusion Criteria: * Chronic immunosuppression * Concomitant disease or condition that may compromise patient safety or the ability to complete study tasks including and not limited to: severe mental illness or a diagnosed or suspected eating disorder * Known allergy to medical grade adhesives * Pre-gestational diabetes * Multifetal gestation * Current alcohol or illicit drug use * Simultaneous participation in another clinical study with investigational medicinal product(s) that might have an impact on the study objectives.