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Glucose Empowerment Through Monitoring and Social Support in Pregnancy
Real-time Continuous Glucose Monitoring and Mobile-based Social Support to Promote Glucose Management During Pregnancy
Who can join
Ages 18 to 45 · Women
Full eligibility criteria
Inclusion Criteria: * Pregnant (\<20w0d) * At least 18 years to 45 years old * BMI \>25, personal history of GDM, or first-degree family member with type II diabetes * Comfortable conversing in English * Own a smartphone and willing to use the CGM app and Signal * Receiving prenatal care and planning to deliver at Tufts Medicine (Boston) * Signed the consent form * Currently located in the United States Exclusion Criteria: * Current pregnancy a multiple gestation (e.g., twins) * Smoked during this current pregnancy * Active hepatitis or HIV infection * Current pregnancy have any documented fetal congenital anomalies * Current history of heroin, cocaine, crack, LSD, or methamphetamines * Current history of alcohol abuse * Previous gastric bypass * Shift work that alters the sleep/wake periods * Have known rheumatological or chronic inflammatory state (i.e., arthritis, inflammatory bowel disease)? * Chronic illnesses, including diabetes and dialysis, that require regular medication use * Uncontrolled hypothyroidism * Known culture of positive chorioamnionitis? * An adult who is unable to consent (e.g., cognitively impaired adults) * Ward of the state * Unable to read or write English
About the study
The purpose of the research is to learn whether wearing a continuous glucose monitor that shows blood glucose levels in real time on a smart phone app and participating in a group chat with other research participants will help participants keep a healthy blood glucose level during pregnancy.
High levels of blood glucose during pregnancy can lead to health problems during and after pregnancy. It may also increase the risk for health problems for the developing baby.
The investigators think our program might be a new way to help some people maintain a healthy blood glucose level during pregnancy. When pregnant people know their blood glucose levels are high, they can do things like exercise or drink water to bring their blood glucose levels down. They can also learn what foods to eat to maintain healthy blood glucose levels, and what foods to avoid. The investigators think being in a group chat with other pregnant individuals will allow participants to support and learn from each other. Pregnant individuals should also work with their healthcare providers to manage their blood glucose levels.
What is being tested
- Mobile-based social support (behavioral)
- Real-time continuous glucose monitoring (behavioral)
Sponsor: Tufts Medical Center · Participants: 70 · Started: Jul 1, 2025
Contact the study team
- Larissa Calancie, PhD · Phone: (617) 636-0976
Official record on ClinicalTrials.gov — NCT07009704
Locations in the U.S.
| Massachusetts | Tufts Medical Center, Boston |
Conditions
From ClinicalTrials.gov, data retrieved Sep 30, 2026. Each study sets its own eligibility; the study team decides who can join.