Cited by 18Birth, Development, and HealthGestational Diabetes Research and ManagementPhysical Activity and Health

Exercise in Pregnancy and Children’s Cardiometabolic Risk Factors: A Systematic Review and Meta-Analysis

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Guillemette, Laetitia, Hay, Jacqueline L., Kehler, D. Scott, Hamm, Naomi C., Oldfield, Christopher, McGavock, Jonathan M., Duhamel, Todd A.·2018·Sports Medicine - Open

Abstract

Maternal metabolic health during the prenatal period is an established determinant of cardiometabolic disease risk. Many studies have focused on poor offspring outcomes after exposure to poor maternal health, while few have systematically appraised the evidence surrounding the role of maternal exercise in decreasing this risk. The aim of this study is to characterize and quantify the specific impact of prenatal exercise on children’s cardiometabolic health markers, at birth and in childhood. A systematic review of Scopus, MEDLINE, EMBASE, CENTRAL, CINAHL, and SPORTDiscus up to December 2017 was conducted. Randomized controlled trials (RCTs) and prospective cohort studies of prenatal aerobic exercise and/or resistance training reporting eligible offspring outcomes were included. Four reviewers independently identified eligible citations and extracted study-level data. The primary outcome was birth weight; secondary outcomes, specified a priori, included large-for-gestational age status, fat and lean mass, dyslipidemia, dysglycemia, and blood pressure. We included 73 of the 9804 citations initially identified. Data from RCTs was pooled using random effects models. Statistical heterogeneity was quantified using the I2 test. Analyses were done between June and December 2017 and the search was updated in December 2017. Fifteen observational studies (n = 290,951 children) and 39 RCTs (n = 6875 children) were included. Observational studies were highly heterogeneous and had discrepant conclusions, but globally showed no clinically relevant effect of exercise on offspring outcomes. Meta-analyzed RCTs indicated that prenatal exercise did not significantly impact birth weight (mean difference [MD] − 22.1 g, 95% confidence interval [CI] − 51.5 to 7.3 g, n = 6766) or large-for-gestational age status (risk ratio 0.85, 95% CI 0.51 to 1.44, n = 937) compared to no exercise. Sub-group analyses showed that prenatal exercise reduced birth weight according to timing (starting after 20 weeks of gestation, MD − 84.3 g, 95% CI − 142.2, − 26.4 g, n = 1124), type of exercise (aerobic only, MD − 58.7 g, 95% CI − 109.7, − 7.8 g; n = 2058), pre-pregnancy activity status (previously inactive, MD − 34.8 g, 95% CI − 69.0, − 0.5 g; n = 2829), and exercise intensity (light to moderate intensity only, MD − 45.5 g, 95% CI − 82.4, − 8.6 g; n = 2651). Fat mass percentage at birth was not altered by prenatal exercise (0.19%, 95% CI − 0.27, 0.65%; n = 130); however, only two studies reported this outcome. Other outcomes were too scarcely reported to be meta-analyzed. Prenatal exercise does not causally impact birth weight, fat mass, or large-for-gestational-age status in a clinically relevant way. Longer follow up of offspring exposed to prenatal exercise is needed along with measures of relevant metabolic variables (e.g., fat and lean mass). Protocol registration number: CRD42015029163 .

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  1. [24]Higgins JPT Green S Cochrane C Cochrane handbook for systematic reviews of interventions 2008 Chichester; Hoboken Wiley-Blackwell
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Authors
Guillemette, L., Hay, J. L., Kehler, D. S., Hamm, N. C., Oldfield, C., McGavock, J. M., & Duhamel, T. A.
Affiliations
  • Children's Hospital Research Institute of Manitoba (CA)
  • St. Boniface Hospital (CA)
  • University of Manitoba (CA)
Corresponding author
Guillemette, Laetitia
Venue
Sports Medicine - Open
Published
2018-08-02
Volume
4
Issue
1
Pages
35-35
ISSN
  • 2198-9761 (ISSN-L)
  • 2199-1170
OpenAlex
W2885832469
Cited by
18
References
123
Citations by year
2026: 3 · 2025: 2 · 2024: 1 · 2023: 2 · 2022: 4 · 2021: 3 · 2020: 1 · 2019: 2
FWCI
0.29
Type
journal article
Language
en
Open access
Locations
  • Sports Medicine - Open (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, other-oa)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Mspace (University of Manitoba) (submittedVersion)
Funders
  • Heart and Stroke Foundation of Canada
  • Canadian Diabetes Association
  • Research Manitoba
  • University of Manitoba
  • Lawson Foundation
  • Canadian Institutes of Health Research
Topics
  • Health Sciences › Medicine › Pediatrics, Perinatology and Child Health › Birth, Development, and Health
  • Health Sciences › Medicine › Obstetrics and Gynecology › Gestational Diabetes Research and Management
  • Health Sciences › Medicine › Physiology › Physical Activity and Health
Keywords
exercise during pregnancy, maternal physical activity, cardiometabolic risk, children, birth weight, large for gestational age, dyslipidemia, dysglycemia, blood pressure, aerobic exercise, resistance training, maternal metabolic health, gestational diabetes mellitus, gestational hypertension, maternal alcohol consumption

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