Objectives: The aim of this study is to determine the prevalent of Fecal Outlet Abstract  Obstruction (FOO) and associated risk factors in women aged 40 and older.

Methods & Materials: In this cross sectional study, a total of 800 women were  randomly selected via cluster sampling among residents of area zone 17 of Tehran Health Management and were interviewed at home. Data was analyzed using Chi-square and Fisher exact Economics tests.

Results: Prevalence for FOO cases was mild 36.5% (95% CI, 33–39%), medium 8%(95% CI, 6–10%) and acute 0.5% (95% CI, 0.01–0.9%) which was only associated with age increase (P=0.006). There is a significant relationship between Physical activity and morbidity of FOO (P=0.004). FOO was associated with depressive and anxiety disorders, osteoarthritis, osteoporosis, diabetes, chronic, cough, and chronic inflammatory bowel disease (P<0.005).

Conclusion: This study underscores the prevalence rate of FOO symptoms and its underlying factors. It also considers lack of knowledge about this hidden  problem and its protective factors among women in  recommends further research to determine effective strategies for prevention education, screening and early treatment to promote women's health and quality of life.