摘要:Background: Physical activity generally declines during pregnancy, but activity barriers during this period are not well understood. The objective was to determine physical activity and some relative factors in referred pregnant women. Materials and Methods: This cross-sectional study was carried on 384 in referred pregnant women to Isfahan Health Care Centers and Shahid Beheshti Hospital in second stage sampling method in 2013. Demographic/prenatal characteristics, physical activity (36Q) and prenatal life quality questionnaire (26Q) were completed by participants. The statistical analysis was performed with various statistical tests such as the t -test, one-way ANOVA, individual correlation coefficient, and linear regression using SPSS statistical software (version 16). Results: Based on the findings, 98.7% ( n = 378) of pregnant women had low physical activity. Also, there were a correlation among physical activity and parity, age, gestational age ( P ≤ 0.005). Conclusion: Since physical activity is recommended for the most of pregnant women, it is imperative to promote physical activity between pregnant women and some intervention suggestions.