en Gynecology & Obstetrics Gynecology & Obstetrics Original Research Original Research <p> <strong>Absract </strong></p><p> <strong>Background:</strong> Stress urinary incontinence is a common problem in the middleaged </p><p> women and can affect their quality of life. This study evaluated the effects of </p><p> pelvic floor muscle exercise on quality of life outcomes in women with stress urinary </p><p> incontinence . </p><p> <strong>Methods: </strong>After baseline evaluation, 50 women were assigned for this clinical trial . </p><p> Participants were instructed to do pelvic floor muscle exercises for 3 months and </p><p> their quality of life measured before and 3 months after intervention . </p><p> <strong>Results:</strong> forty-six women completed the trial. Significant difference in the quality </p><p> of life scores (P<0.0001) were noted in women with stress urinary incontinence, after </p><p>  12 weeks . </p><p> <strong>Conclusion: </strong>12 weeks of pelvic floor muscle exercises significantly improved </p><p> quality of life outcomes in women with stress urinary incontinence . </p><p>  </p> Quality Of Life, I_QOL questionnaire, pelvic floor muscle exercises,stress urinary incontinence. 159 162 http://mjiri.iums.ac.ir/browse.php?a_code=A-10-1-120&slc_lang=en&sid=1 Shadab Shahali shadabshahali@yahoo.com 2003194753284600774 2003194753284600774 Yes member of Women Health Physical Therapy of Academic Centre of Education, Culture and Research (ACECR) Iran Universityof Medical Sciences branch,Gandi Vanak square, Tehran, Iran Maryam Kashanian maryamkashanian@yahoo.com 2003194753284600775 2003194753284600775 No Shahid Akbar Abadi Hospital. Iran University of Medical Sciences, Tehran, Iran Afsaneh Azari 2003194753284600776 2003194753284600776 No member of Women Health Physical Therapy of Academic Centre of Education, Culture and Research (ACECR) Iran Universityof Medical Sciences branch, Tehran, Iran. Reza Salehi 2003194753284600777 2003194753284600777 No Ahvaz Jundishapour University of Medical Sciences, Ahwaz, Iran.