Physical Activity Questionnaires for Pregnancy: A Systematic Review of Measurement Properties

In order to assess physical activity (PA) during pregnancy, it is important to choose the instrument with the best measurement properties. To systematically summarize, appraise, and compare the measurement properties of all self-administered questionnaires assessing PA in pregnancy. We searched PubMed, Embase, and SPORTDiscus with the following inclusion criteria: (i) the study reported at least one measurement property (reliability, criterion...