Ontology highlight
ABSTRACT:
SUBMITTER: Wen J
PROVIDER: S-EPMC5361095 | biostudies-literature | 2017 Mar
REPOSITORIES: biostudies-literature
Wen Ju J Xun Pengcheng P Chen Cheng C Quan Minghui M Wang Ru R Liu Yu Y He Ka K
Scientific reports 20170322
A meta-analysis was conducted to evaluate the association between non-occupational physical activity (PA) during pregnancy and the risk of preterm birth (PTB). By searching PubMed and EMBASE from inception to August 20, 2016, 25 observational studies (18 cohorts and 7 case-controls) and 12 interventional studies were identified. Comparing the highest to the lowest category of leisure-time PA during pregnancy, the pooled relative risk (RR) of PTB was 0.83 [95% confidence interval (CI) = 0.74-0.93 ...[more]