Prevalence and Factors Associated With Low Back Pain and Pelvic Girdle Pain During Pregnancy

STUDY DESIGN: A cross-sectional, multicenter study. OBJECTIVE: To determine the prevalence of low back pain (LBP), leg pain (LP), and pelvic girdle pain (PGP) in pregnant Spanish women and to identify the factors associated with a higher risk. SUMMARY OF BACKGROUND DATA: Previous studies on the prevalence and risk factors for LBP and PGP have shown inconsistent results. METHODS: Sixty-one clinicians across 5 regions in Spain recruited 1158 women with a median (interquartile range) pregnancy of 35 (range, 31-38) weeks. Validated methods were used to gather data on the prevalence of LBP, LP, and PGP, anthropometric and sociodemographic characteristics, history of LBP, obstetrical history, physical activity before and during pregnancy, mattress and sleep characteristics, disability, anxiety, and depression. Separate multiple…