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Dietary interventions in overweight and obese pregnant women: a systematic review of the content, delivery, and outcomes of randomized controlled trials.

A.C. Flynn is with the Diabetes and Nutritional Sciences Division, School of Medicine, and the Division of Women's Health, Women's Health Academic Centre King's College London, London, United Kingdom. K. Dalrymple is with Nutricia, Early Life Nutrition, Trowbridge, United Kingdom. S. Barr is with the Department of Cardiovascular Medicine, Imperial College London, London, United Kingdom. L. Poston is with the Division of Women's Health, Women's Health Academic Centre, King's College London, London, United Kingdom. L.M. Goff is with the Diabetes and Nutritional Sciences Division, School of Medicine, King's College London, London, United Kingdom. E. Rogozinska is with the Women's Health Research Unit and the Multidisciplinary Evidence Synthesis Hub (mEsh), Barts, and The London School of Medicine and Dentistry, Queen Mary University of London, London, United Kingdom. M.N.M. van Poppel is with the Department of Public and Occupational Health, EMGO+ Institute for Health and Care Research, VU University Medical Center, Amsterdam, The Netherlands. G. Rayanagoudar is with the Women's Health Research Unit, Barts, and The London School of Medicine and Dentistry, Queen Mary University of London, London, United Kingdom. S. Yeo is with the School of Nursing, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA. R. Barakat Carballo is with the Facultad de Ciencias de la Actividad Fı'sica y del Deporte-INEF, Universidad Polite'cnica de Madrid, Madrid, Spain. M. Perales is with the Facultad de Ciencias de la Actividad Fı'sica y del Deporte-INEF, Universidad Polite'cnica de Madrid, Madrid, Spain. A. Bogaerts is with the Division of Mother and Child, Department of Obstetrics and Gynaecology, University Colleges Leuven-Limburg and Antwerp University, Faculty of Medicine and Health Sciences, Antwerp, Belgium. J.G. Cecatti is with the Department of Obstetrics and Gynecology, School of Medical Sciences, University of Campinas (UNICAMP), Campinas, Brazil. J. Dod

Nutrition reviews. 2016;(5):312-28
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Abstract

CONTEXT Interventions targeting maternal obesity are a healthcare and public health priority. OBJECTIVE The objective of this review was to evaluate the adequacy and effectiveness of the methodological designs implemented in dietary intervention trials for obesity in pregnancy. DATA SOURCES A systematic review of the literature, consistent with PRISMA guidelines, was performed as part of the International Weight Management in Pregnancy collaboration. STUDY SELECTION Thirteen randomized controlled trials, which aimed to modify diet and physical activity in overweight and obese pregnant women, were identified. DATA SYNTHESIS There was significant variability in the content, delivery, and dietary assessment methods of the dietary interventions examined. A number of studies demonstrated improved dietary behavior in response to diet and/or lifestyle interventions. Nine studies reduced gestational weight gain. CONCLUSION This review reveals large methodological variability in dietary interventions to control gestational weight gain and improve clinical outcomes in overweight and obese pregnant women. This lack of consensus limits the ability to develop clinical guidelines and apply the evidence in clinical practice.

Methodological quality

Publication Type : Review

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