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Exercise during pregnancy improves maternal glucose screen at 24–28 weeks: a randomised controlled trial
  1. Ruben Barakat1,
  2. Yaiza Cordero1,
  3. Javier Coteron1,
  4. Maria Luaces2,
  5. Rocio Montejo2
  1. 1Facultad de Ciencias de la Actividad Física y del Deporte – INEF, Universidad Politécnica de Madrid, Spain
  2. 2Department of Obstetric and Gynecology, Hospital de Fuenlabrada, Madrid, Spain
  1. Correspondence to Ruben Barakat, Facultad de Ciencias de la Actividad Física y del Deporte – INEF, Universidad Politécnica de Madrid, Martín Fierro, 28040 Madrid, Spain; barakatruben{at}


Objective The influence of an exercise programme performed by healthy pregnant women on maternal glucose tolerance was studied.

Study design A physical activity (PA, land/aquatic activities) programme during the entire pregnancy (three sessions per week) was conducted by a qualified instructor. 83 healthy pregnant women were randomly assigned to either an exercise group (EG, n=40) or a control (CG, n=43) group. 50 g maternal glucose screen (MGS), maternal weight gain and several pregnancy outcomes were recorded.

Results Significant differences were found between study groups on the 50 g MGS. Values corresponding to the EG (103.8±20.4 mg/dl) were better than those of the CG (126.9±29.5 mg/dl), p=0.000. In addition, no differences in maternal weight gain and no cases of gestational diabetes in EG versus 3 in CG (7%) (p>0.05) were found.

Conclusion A moderate PA programme performed during pregnancy improves levels of maternal glucose tolerance.

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  • Funding This work was partially supported by the Ministerio de Ciencia e Innovación, Spain (DEP2009-08990).

  • Competing interests None.

  • Provenance and peer review Not commissioned; externally peer reviewed.