Aim: Sexual function is a complex process that is influenced by physical, biological and emotional factors. The use of contraception is very common among women and can affect women's sexual functions in various ways. The aim of this study was to investigate of factors affecting sexual functions and contraceptive method preferences of women. Material and Methods: The study was planned in cross-sectional descriptive pattern and women between the ages of 18-49 who were not in menopause and who used contraception were included in the study. Sociodemographic data form and Female Sexual Function Index (FSFI) were used to collect data. The independent effects of different determinants on sexual dysfunction were evaluated by logistic regression analysis model. Results: In this study, 45.5% of women were found to have sexual dysfunction (FSFI score <26.55). Logistic regression analysis of sexual dysfunction revealed that using modern contraceptive methods (OR= 0.393, 95% CI 0.191-0.808) and considering that the income was adequate (OR= 0.405, 95% CI 0.211-0.780) were found to be protective factors, while presence of chronic disease (OR= 2.639, 95% CI 1.074-6.481), vaginal discharge (OR= 2.121, 95% CI 1.130-3.937) and self-decision on method of contraception by herself (OR= 3.331, 95% CI 1.471-7.543) were found to be risk factors. Conclusion: The use of modern contraceptive methods can protect women from sexual dysfunction when compared to traditional contraceptive methods. If the method of contraception used by women is learned and the directions they need are made, their sexual life and quality of life can be improved.