Abstract
IntroductionGestational diabetes mellitus (GDM) is associated with increased risk for type 2 diabetes in the mother and cardiometabolic diseases in the child. The preconception period is an optimal window to adapt the lifestyle for improved outcomes for both mother and child. Our aim is to determine the effect of a lifestyle intervention, initiated before and continued throughout pregnancy, on maternal glucose tolerance and other maternal and infant cardiometabolic outcomes.Methods and analysisThis ongoing randomised controlled trial has included 167 females aged 18–39 years old at increased risk for GDM who are contemplating pregnancy. The participants were randomly allocated 1:1 to an intervention or control group. The intervention consists of exercise (volume is set by a heart rate-based app and corresponds to ≥ 1 hour of weekly exercise at ≥ 80% of individual heart rate maximum), and time-restricted eating (≤ 10 hours/day window of energy intake). The primary outcome measure is glucose tolerance in gestational week 28. Maternal and offspring outcomes are measured before and during pregnancy, at delivery, and at 6–8 weeks post partum. Primary and secondary continuous outcome measures will be compared between groups based on the ‘intention to treat’ principle using linear mixed models.Ethics and disseminationThe Regional Committees for Medical and Health Research Ethics in Norway has approved the study (REK 143756). The anonymised results will be submitted for publication and posted in a publicly accessible database of clinical study results.Trial registration numberClinical trial govNCT04585581.
Funder
The Liaison Committee for education, research, and innovation in Central Norway
The Joint Research Committee between St. Olav’s Hospital and the Faculty of Medicine and Health Sciences, NTNU
Centre for Innovative Ultrasound Solutions (CIUS), NTNU
Novo Nordisk Fonden
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2 articles.
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