AbstractAimTo identify the intention of Chinese pregnant women to undertake physical activity (PA) using the theory of planned behaviour.DesignA cross‐sectional survey.MethodsFrom April – October 2017, a cross‐sectional questionnaire was completed by 746 pregnant women from the Health Birth Cohort in Wuhan, China. The theory of planned behaviour variables as well as sociodemographic characteristics was recorded, and the Pregnancy PA Questionnaire was together used to assess their PA during pregnancy.ResultsOnly 11.3% of the women met the int...