Callaway LK, Colditz PB, Byrne NM, Lingwood BE, Rowlands IJ, Foxcroft K, McIntyre HD; for the BAMBINO group.
MBBS(Hons), Head, Royal Brisbane Clinical School, Royal Brisbane and Women's Hospital; and School of Medicine, University of Queensland, Brisbane, Australia.
AbstractObjective: To examine the feasibility of an individualized exercise program to prevent gestational diabetes (GDM) in obese pregnant women. Research Design and Methods: A pilot randomized, controlled trial, with obese pregnant women [Intervention group, individualized exercise program (n = 25); Control group, usual care (n= 25)]. Average weekly energy expenditure (MET-hrs/week & kcal/week) of exercise-specific activity was assessed during pregnancy using the Pregnancy Physical Activity Questionnaire (PPAQ). Fasting glucose and insulin and insulin resistance (HOMA-IR) were assessed at baseline, 20, 28 and 36 weeks gestation. Results: 16/22 (73%) women in the intervention group achieved more than 900 kcal/week at 28 weeks compared to 8/19 women in the control group (42%), p = 0.047. However, insulin resistance (HOMA-IR) did not differ between the groups. Conclusion: This intervention was feasible and prompted a modest increase in physical activity. However, we are not confident that this intervention would be sufficient to prevent GDM.
PMID: 20357374
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