Exercise during pregnancy in normal-weight women and risk of preterm birth: a systematic review and meta-analysis of randomized controlled trials.

@article{DiMascio2016ExerciseDP,
  title={Exercise during pregnancy in normal-weight women and risk of preterm birth: a systematic review and meta-analysis of randomized controlled trials.},
  author={Daniele Di Mascio and Elena R Magro-Malosso and Gabriele Saccone and Gregary D Marhefka and Vincenzo Berghella},
  journal={American journal of obstetrics and gynecology},
  year={2016},
  volume={215 5},
  pages={
          561-571
        }
}

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