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The BAMBI II Study
Sponsor: Odense University Hospital
Summary
Background Bariatric surgery (BS) is an efficient treatment of severe obesity and diseases like female infertility. Almost half of the population having BS are women of reproductive age, and BMI above 35 kg/m2 and infertility even serve as eligibility for surgery. BS improves fertility, however with risk of adverse effects on maternal glucose regulation and fetal growth. Objective We hypothesize that pregnant women with BS have a higher frequency of both hypo- and hyperglycemia causing abnormal fetal growth, and that Roux-en-Y gastric bypass (RYGB) results in higher risk of hypoglycemia and larger glucose variability than sleeve gastrectomy (SG). Methods In this prospective, multicenter study, we will include 225 pregnant BMI, age, and parity-matched women from four obstetric departments: 75 with RYGB, 75 with SG and 75 without BS. Data include continuous glucose monitoring, activity tracking, blood sampling, questionnaires, and fetal growth. Discussion Knowledge on prevalence, clinical significance and treatment of maternal glucose excursions and fetal growth in pregnancy following BS are lacking. This study will help clinicians improve the care of pregnant women with BS and to guide women of reproductive age considering BS.
Official title: Bariatric Surgery and Consequences for Mother and Baby in Pregnancy - II
Key Details
Gender
FEMALE
Age Range
18 Years - Any
Study Type
INTERVENTIONAL
Enrollment
225
Start Date
2025-04-01
Completion Date
2028-02-01
Last Updated
2026-05-11
Healthy Volunteers
No
Conditions
Interventions
CGM
The CGM will meausre glucose continously for 10 days.
Activity tracker
Counts daily number of steps and register any physical acitivity
Blood samples
vitamin status,, hæmoglobin, HbA1c
UL
standard measurements to follow fetal growth during pregnancy
Locations (1)
Steno Diabetes Center, Odsense Univeristy Hospital
Odense, Denmark