en <span style=font-size:11pt><span style=font-family:Calibri,sans-serif><b><span style=font-size:10.0pt><span cambria= style=font-family:><span style=color:#4f81bd>Aim:</span></span></span></b><span style=font-size:10.0pt><span cambria= style=font-family:> Marital satisfaction can affect both life satisfaction and mental health. Adequate sexual health literacy level can maintain and improve sexual health in individuals. This study aimed to compare the level of marital satisfaction and sexual health literacy in fertile and infertile couples.</span></span></span></span><br> <span style=font-size:11pt><span style=font-family:Calibri,sans-serif><b><span style=font-size:10.0pt><span cambria= style=font-family:><span style=color:#4f81bd>Instrument & Methods:</span></span></span></b><span style=font-size:10.0pt><span cambria= style=font-family:> This descriptive-cross-sectional study was conducted on 262 couples (including 136 fertile couples and 126 infertile couples) in the north and northwest of Iran during 2020-2021. The data were collected using a demographic characteristics questionnaire, a sexual health literacy for adult questionnaire, and a short-form enrich marital satisfaction scale. The collected data were analyzed using descriptive and inferential statistics in SPSS 26 Software.</span></span></span></span><br> <span style=font-size:11pt><span style=font-family:Calibri,sans-serif><b><span style=font-size:10.0pt><span cambria= style=font-family:><span style=color:#4f81bd>Findings:</span></span></span></b><span style=font-size:10.0pt><span cambria= style=font-family:> The mean±SD of marital satisfaction in fertile and infertile couples was 36.93±6.58 and 36.05±6.25, respectively and this mean difference was not statistically significant (p=0.121). The mean±SD of sexual health literacy score in fertile and infertile women was 75.69±17.29, and 67.76±20.26 respectively, and it was calculated 76.89±16.22, and 67.66±20.46, in fertile and infertile men respectively. This mean difference was statistically significant (p=0.001) in both groups. Furthermore, the husband’s education level and duration of marriage were regarded as determinants of marital satisfaction among all participants (p<0.05).</span></span></span></span><br> <span style=font-size:11pt><span style=font-family:Calibri,sans-serif><b><span style=font-size:10.0pt><span cambria= style=font-family:><span style=color:#4f81bd>Conclusion:</span></span></span></b><span style=font-size:10.0pt><span cambria= style=font-family:> The sexual health literacy level in fertile couples is higher than in infertile ones.</span></span></span></span> Sexual Health,Marital Satisfaction,Fertile,Infertile, 145 152 http://hehp.modares.ac.ir/browse.php?a_code=A-10-80135-1&slc_lang=en&sid=4 Y. Mousazadeh 1003194753284600326636 1003194753284600326636 No Department of Public Health, Khalkhal University of Medical Sciences, Khalkhal, Iran E. Najafi 1003194753284600326637 1003194753284600326637 No Department of Public Health, Khalkhal University of Medical Sciences, Khalkhal, Iran R. Salmani 1003194753284600326638 1003194753284600326638 No Department of Midwifery, Faculty of Nursing and Midwifery, Zanjan University of Medical Sciences, Zanjan, Iran A. MoradAbadi 1003194753284600326639 1003194753284600326639 No Department of Medical Laboratory, Khomein University of Medical Sciences, Khomein, Iran M. Salimi Kivi 1003194753284600326640 1003194753284600326640 No Department of Midwifery, Khalkhal University of Medical Sciences, Khalkhal, Iran R. Salmani 1003194753284600326641 1003194753284600326641 Yes Department of Midwifery, Khalkhal University of Medical Sciences, Khalkhal, Iran