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Repeat Late GDM Testing and Cesarean Delivery Rates
Sponsor: Shauna F. Williams, MD
Summary
The goal of this randomized trial is determine if re-testing for gestational diabetes in the third trimester after an ultrasound measurement of estimated fetal weight (EFW) or abdominal circumference greater than 90%ile decreases cesarean delivery rate, and to evaluate the optimal method of re-testing. The main question it aims to answer is: Does repeat testing for gestational diabetes and management of hyperglycemia decrease the cesarean delivery rate in fetuses measuring \>90%ile by estimated fetal weight (EFW) or abdominal circumference (AC) on ultrasound in the third trimester. Participants will be randomized into two groups: Group 1 will undergo a repeat glucose tolerance test (GTT) with blinded continuous glucose monitor (CGM) and group 2 will have no intervention. Participants in group 1 will receive nutrition counseling as this would be standard in patients at high risk for gestational diabetes.
Official title: Impact of Late Gestational Diabetes Detection and Treatment on Cesarean Delivery Rates After Negative Initial Screening
Key Details
Gender
FEMALE
Age Range
18 Years - 50 Years
Study Type
INTERVENTIONAL
Enrollment
144
Start Date
2026-08-01
Completion Date
2028-05-31
Last Updated
2026-07-16
Healthy Volunteers
Yes
Conditions
Interventions
Glucose tolerance test and continuous glucose monitor
1. Glucose tolerance test 2. Continuous glucose monitoring for two weeks 3. Nutrition counseling