Continuous Glucose Monitor Use in Pregnancy

Inclusion Criteria: Women will be deemed eligible for the study by the following inclusion criteria: * 1\) age greater than or equal to 18 years old * 2\) singleton gestation less than or equal to 14 weeks at initial obstetric visit * 3\) established diagnosis of T2DM by laboratory criteria including hemoglobin A1c ≥6.5%, oral glucose tolerance test ≥200 mg/dL, or fasting plasma glucose ≥126 mg/dL * 4\) receiving prenatal care at UMASS Memorial Health Care (UMMHC) and plans to deliver at UMMHC * 5\) able and willing to provide informed consent Exclusion Criteria: Women will be deemed ineligible for the study based on the following exclusion criteria: * 1\) known diagnosis of type 1 diabetes or gestational diabetes * 2\) plan to receive prenatal care or delivery outside of UMMHC * 3\) inability to provide informed consent * 4\) multifetal gestation