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Glucose responses to acute and chronic exercise during pregnancy: a systematic review and meta-analysis

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Author
Davenport, M.H.
Sobierajski, F.
Mottola, Michelle
Skow, Rachel
Meah, Victoria L.
Poitras, Veronica
Gray, Casey
Jaramillo Garcia, Alejandra
Barrowman, Nick
Riske, Laurel
James, Marina
Nagpal, Taniya
Marchand, Andree-Anne
Slater, Linda
Adamo, Kristi
Davies, Gregory
Barakat, Ruben
Ruchat, Stephanie-May
Date
2018-10-18
Acceptance date
2018-09-05
Type
Article
Publisher
BMJ Publishing Group
ISSN
1473-0480
Metadata
Show full item record
Abstract
Objective. To perform a systematic review and meta-analysis to explore the relationship between prenatal exercise and glycaemic control. Design. Systematic review with random-effects meta-analysis and meta-regression. Data sources. Online databases were searched up to 6 January 2017. Study eligibility criteria. Studies of all designs were included (except case studies and reviews) if they were published in English, Spanish or French, and contained information on the population (pregnant women without contraindication to exercise), intervention (subjective or objective measures of frequency, intensity, duration, volume or type of acute or chronic exercise, alone (‘exercise-only’) or in combination with other intervention components (eg, dietary; ‘exercise+cointervention’) at any stage of pregnancy), comparator (no exercise or different frequency, intensity, duration, volume and type of exercise) and outcome (glycaemic control). Results. A total of 58 studies (n=8699) were included. There was ‘very low’ quality evidence showing that an acute bout of exercise was associated with a decrease in maternal blood glucose from before to during exercise (6 studies, n=123; mean difference (MD) −0.94 mmol/L, 95% CI −1.18 to −0.70, I2=41%) and following exercise (n=333; MD −0.57 mmol/L, 95% CI −0.72 to −0.41, I2=72%). Subgroup analysis showed that there were larger decreases in blood glucose following acute exercise in women with diabetes (n=26; MD −1.42, 95% CI −1.69 to −1.16, I2=8%) compared with those without diabetes (n=285; MD −0.46, 95% CI −0.60 to −0.32, I2=62%). Finally, chronic exercise-only interventions reduced fasting blood glucose compared with no exercise postintervention in women with diabetes (2 studies, n=70; MD −2.76, 95% CI −3.18 to −2.34, I2=52%; ‘low’ quality of evidence), but not in those without diabetes (9 studies, n=2174; MD −0.05, 95% CI −0.16 to 0.05, I2=79%). Conclusion. Acute and chronic prenatal exercise reduced maternal circulating blood glucose concentrations, with a larger effect in women with diabetes.
Journal/conference proceeding
British Journal of Sports Medicine;
Citation
Davenport, M.H., Sobierajski, F., Mottola, M.F., Skow, R.J., Meah, V.L., Poitras, V.J., Gray, C.E., Garcia, A.J., Barrowman, N., Riske, L. and James, M. (2018) 'Glucose responses to acute and chronic exercise during pregnancy: a systematic review and meta-analysis', British Journal of Sports Medicine, 52(21), pp.1357-1366. DOI: 10.1136/bjsports-2018-099829.
URI
http://hdl.handle.net/10369/10432
DOI
http://dx.doi.org/10.1136/bjsports-2018-099829
Description
Article published in British Journal of Sports Medicine on 18 October 2018, available at: http://dx.doi.org/10.1136/bjsports-2018-099829.
Rights
http://www.rioxx.net/licenses/all-rights-reserved
Sponsorship
Cardiff Metropolitan University (Grant ID: Cardiff Metropolian (Internal))
Collections
  • Sport Research Groups [1089]

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