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Primary prevention of gestational diabetes for women who are overweight and obese : a randomised controlled trial

Nagle, Cate, Skouteris, Helen, Morris, Heather, Nankervis, Alison, Rasmussen, Bodil, Mayall, Peter and Kennedy, Richard L. 2013, Primary prevention of gestational diabetes for women who are overweight and obese : a randomised controlled trial, BMC pregnancy and childbirth, vol. 13, no. 65, pp. 1-6.

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Title Primary prevention of gestational diabetes for women who are overweight and obese : a randomised controlled trial
Author(s) Nagle, Cate
Skouteris, Helen
Morris, Heather
Nankervis, Alison
Rasmussen, Bodil
Mayall, Peter
Kennedy, Richard L.
Journal name BMC pregnancy and childbirth
Volume number 13
Issue number 65
Start page 1
End page 6
Total pages 6
Publisher BioMed Central
Place of publication London, England
Publication date 2013-03
ISSN 1471-2393
Keyword(s) gestational diabetes
obesity
prevention
gestational weight gain
primary care
RCT
Summary Background: Gestational Diabetes Mellitus (GDM) has well recognised adverse health implications for the  mother and her newborn that are both short and long term. Obesity is a significant risk factor for developing GDM and the prevalence of obesity is increasing globally. It is a matter of public health importance that clinicians have evidence based strategies to inform practice and currently there is insufficient evidence regarding the impact of dietary and lifestyle interventions on improving maternal and newborn outcomes. The primary aim of this study is to measure the impact of a telephone based intervention that promotes positive lifestyle modifications on the incidence of GDM. Secondary aims include: the impact on gestational weight gain; large for gestational age babies; differences in blood glucose levels taken at the Oral Glucose Tolerance Test (OGTT) and selected factors relating to self-efficacy and psychological wellbeing. 

Method/design:
 A randomised controlled trial (RCT) will be conducted involving pregnant women who are  overweight (BMI >25 to 29.9 k/gm2) or obese (BMI >30kgm/2), less than 14 weeks gestation and recruited from the Barwon South West region of Victoria, Australia. From recruitment until birth, women in theintervention group will receive a program informed by the Theory of Self-efficacy and employing Motivational Interviewing. Brief ( less than 5 minute) phone contact will alternate with a text message/email and will involve goal setting, behaviour change reinforcement with weekly weighing and charting, and the provision of health  information. Those in the control group will receive usual care. Data for primary and secondary outcomes will be collected from medical record review and a questionnaire at 36 weeks gestation. 

Discussion:
 Evidence based strategies that reduce the incidence of GDM are a priority for contemporary maternity care. Changing health behaviours is a complex undertaking and trialling a composite intervention that can be adopted in various primary health settings is required so women can be accessed as early in pregnancy as possible. Using a sound theoretical base to inform such an intervention will add depth to our understanding of this approach and to the interpretation of results, contributing to the evidence base for practice and policy. 
Notes This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Language eng
Field of Research 111099 Nursing not elsewhere classified
Socio Economic Objective 920210 Nursing
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2013 Nagle et al.; licensee BioMed Central Ltd.
Persistent URL http://hdl.handle.net/10536/DRO/DU:30052582

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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.