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dc.contributor.authorDavenport, M.H.
dc.contributor.authorKathol, Amariah
dc.contributor.authorMottola, Michelle
dc.contributor.authorSkow, Rachel
dc.contributor.authorMeah, Victoria L.
dc.contributor.authorPoitras, Veronica
dc.contributor.authorJaramillo Garcia, Alejandra
dc.contributor.authorGray, Casey
dc.contributor.authorBarrowman, Nick
dc.contributor.authorRiske, Laurel
dc.contributor.authorSobierajski, F.
dc.contributor.authorJames, Marina
dc.contributor.authorNagpal, Taniya
dc.contributor.authorMarchand, Andree-Anne
dc.contributor.authorSlater, Linda
dc.contributor.authorAdamo, Kristi
dc.contributor.authorDavies, Gregory
dc.contributor.authorBarakat, Ruben
dc.contributor.authorRuchat, Stephanie-May
dc.identifier.citationDavenport, M.H., Kathol, A.J., Mottola, M.F., Skow, R.J., Meah, V.L., Poitras, V.J., Garcia, A.J., Gray, C.E., Barrowman, N., Riske, L., Sobierajski, F. et al (2019) 'Prenatal exercise is not associated with fetal mortality: a systematic review and meta-analysis', British Journal of Sports Medicine, 53(2), pp.108-115. DOI: 10.1136/bjsports-2018-099773.en_US
dc.descriptionArticle published in British Journal of Sports Medicine on 18 October 2018, available at:
dc.description.abstractObjective. To perform a systematic review of the relationship between prenatal exercise and fetal or newborn death. 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) 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 exercise, alone [“exercise-only”] or in combination with other intervention components [eg, dietary; “exercise + co-intervention”]), comparator (no exercise or different frequency, intensity, duration, volume and type of exercise) and outcome (miscarriage or perinatal mortality). Results. Forty-six studies (n=2 66 778) were included. There was ‘very low’ quality evidence suggesting no increased odds of miscarriage (23 studies, n=7125 women; OR 0.88, 95% CI 0.63 to 1.21, I2=0%) or perinatal mortality (13 studies, n=6837 women, OR 0.86, 95% CI 0.49 to 1.52, I2=0%) in pregnant women who exercised compared with those who did not. Stratification by subgroups did not affect odds of miscarriage or perinatal mortality. The meta-regressions identified no associations between volume, intensity or frequency of exercise and fetal or newborn death. As the majority of included studies examined the impact of moderate intensity exercise to a maximum duration of 60 min, we cannot comment on the effect of longer periods of exercise. Summary/conclusions. Although the evidence in this field is of ‘very low’ quality, it suggests that prenatal exercise is not associated with increased odds of miscarriage or perinatal mortality. In plain terms, this suggests that generally speaking exercise is ‘safe’ with respect to miscarriage and perinatal mortality.en_US
dc.publisherBMJ Publishing Groupen_US
dc.relation.ispartofseriesBritish Journal of Sports Medicine;
dc.titlePrenatal exercise is not associated with fetal mortality: a systematic review and meta-analysisen_US
rioxxterms.funderCardiff Metropolitan Universityen_US
rioxxterms.identifier.projectCardiff Metropolian (Internal)en_US

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