Changes in foot posture during pregnancy and their relation with musculoskeletal pain: A longitudinal cohort study.

Aim: To examine foot posture changes during the three trimesters of pregnancy and to determine whether there is a relationship between these changes and the pain experienced in this period.

Methods: The study sample consisted of 62 pregnant women who attended the Gynaecology Service at Hospital ​Santa María del Puerto (Cádiz, Spain), between January 2013 and May 2014. In their first visit, the following sociodemographic and anthropometric data were recorded: age, weight, height and foot size.