The level of use of MCMs remains low in our country. The objective of this study was to analyze the factors associated with the low use of modern contraceptive methods in the Diamarabougou health area. It was a cross-sectional study with an analytical focus conducted among 150 PAFs selected through random sampling. The study established the following: -Modern contraceptive prevalence was 35%. -The majority of women knew about family planning (99%). -The main source of information was health personnel (34.7%). -The reasons for the low use of MCM were The low level of education of the woman and/or her spouse, the desire to have many children and the unfavorable opinion of the spouse. -Both men and women believe that lack of control over the menstrual cycle, jealousy, and lack of distraction are the reasons for many unplanned pregnancies; - The main disadvantage of contraception is infertility. -The main disadvantage of contraception is sterility. For the ATRs, contraception is an effective way to fight against maternal and infant mortality. They also believe that the use of contraception and the choice of a smaller family are also accompanied by significant economic and material advantages, as expenses related to health, education and family maintenance are reduced. Conclusion : The use of modern contraceptive methods remains low in the Diamarabougou health area. The correct information to women and the identification of associated factors: the low level of education of the woman and her spouse, the desire to have many children, insufficient discussion with the spouse and the lack of involvement of traditional birth attendants in family planning programs.