biostudies-literaturePoprzeczny AJNational Health and Medical Research Council709-723https://www.ebi.ac.uk/biostudies/studies/S-EPMC11969922biostudies-literatureUnknown132(6)<h4>Background</h4>Guidelines recommending regular physical activity in pregnancy for improving pregnancy outcomes are informed by published meta-analyses. Inclusion of randomised trials of poor methodological quality may bias effect estimates.<h4>Objectives</h4>To assess the validity of these recommendations by focusing on trial quality.<h4>Search strategy</h4>Systematic search of PubMed, PubMed Central, Ovid Medline, Embase, Cochrane Central Register of Controlled Trials, and CINAHL from inception to 14 December 2023.<h4>Selection criteria</h4>Randomised trials evaluating an antenatal physical activity intervention alone, compared with no such intervention.<h4>Data collection and analysis</h4>Trial quality was assessed using the Cochrane Risk of Bias tool. Independent of this, studies weBJOG : an international journal of obstetrics and gynaecologyAntenatal Physical Activity Interventions and Pregnancy Outcomes: A Systematic Review and Meta-Analysis With a Focus on Trial Quality.PMC119699221196133Louise JDeussen ARSlade LMitchell MPoprzeczny AJDodd JMfalseAntenatal Physical Activity Interventions and Pregnancy Outcomes: A Systematic Review and Meta-Analysis With a Focus on Trial Quality.<h4>Background</h4>Guidelines recommending regular physical activity in pregnancy for improving pregnancy outcomes are informed by published meta-analyses. Inclusion of randomised trials of poor methodological quality may bias effect estimates.<h4>Objectives</h4>To assess the validity of these recommendations by focusing on trial quality.<h4>Search strategy</h4>Systematic search of PubMed, PubMed Central, Ovid Medline, Embase, Cochrane Central Register of Controlled Trials, and CINAHL from inception to 14 December 2023.<h4>Selection criteria</h4>Randomised trials evaluating an antenatal physical activity intervention alone, compared with no such intervention.<h4>Data collection and analysis</h4>Trial quality was assessed using the Cochrane Risk of Bias tool. Independent of this, studies we2025-01-01T00:00:00Z2025 May2025-07-08T03:13:48.737Z2025-07-08T03:13:48.737ZS-EPMC119699223989545510.1111/1471-0528.18084