Exercise interventions for weight management during pregnancy and up to 1 year postpartum among normal weight, overweight and obese women: a systematic review and meta-analysis

Elliott-Sale, K.J. ORCID: 0000-0003-1122-5099, Barnett, C.T. ORCID: 0000-0001-6898-9095 and Sale, C. ORCID: 0000-0002-5816-4169, 2015. Exercise interventions for weight management during pregnancy and up to 1 year postpartum among normal weight, overweight and obese women: a systematic review and meta-analysis. British Journal of Sports Medicine, 49 (20). ISSN 0306-3674

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Abstract

Background: The prevalence of excessive gestation weight gain, extended postpartum weight retention and pre-gravid obese women is increasing and is associated with numerous adverse health outcomes. Objective To review the evidence from studies employing exercise-only interventions for weight management among pregnant and postpartum women. Search strategy Ten databases were searched for randomised controlled trials (RCTs) conducted during pregnancy or within the 12 month following childbirth and published between 1990 and 2013. Selection criteria: There were no restrictions to the type, frequency, duration or intensity of exercise intervention. Interventions not specifically designed to target weight were excluded. The outcomes were a change in body weight (kg) or body mass index (BMI; kg·m2). Data collection and analysis: All data were continuous and were reported as weighted mean differences (WMD), with 95% confidence intervals (CI). Data were analysed with a fixed-effect model and heterogeneity was determined using the I2 statistic. Results: Five studies were included in this review. Exercise significantly reduced gestational weight gain (WMD=-2.22kg, CI=-3.14/-1.3, p=<0.00001) and had no significant effect on postpartum weight loss (WMD=-1.74kg, CI=-3.59/0.10, p=0.06) or BMI during pregnancy (WMD=-2.8kg·m2, CI=-5.60/0.00, p=0.05) or postpartum (WMD=-0.54kg·m2, CI=-1.17/0.08, p=0.09). Conclusions: There is currently limited evidence to suggest that exercise can be used to limit maternal gestational weight gain.

Item Type:	Journal article
Publication Title:	British Journal of Sports Medicine
Creators:	Elliott-Sale, K.J., Barnett, C.T. and Sale, C.
Publisher:	BMJ Group
Place of Publication:	London
Date:	2015
Volume:	49
Number:	20
ISSN:	0306-3674
Identifiers:	Number Type 10.1136/bjsports-2014-093875 DOI
Divisions:	Schools > School of Science and Technology
Record created by:	EPrints Services
Date Added:	09 Oct 2015 10:08
Last Modified:	09 Jun 2017 13:20
URI:	https://irep.ntu.ac.uk/id/eprint/8374

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