Olajumoke Abikeola AKANBI2024-10-082024-10-082023-12Kate TurabiaM.Phhttps://repository.lcu.edu.ng/handle/123456789/778The availability and use of effective contraceptive methods are essential for promoting family planning, reducing unintended pregnancies, and enhancing maternal and infant health outcomes. Despite efforts to increase contraceptive use, there are still substantial gaps in our understanding of the factors that influence women's contraceptive choices and utilization. This study sought to investigate the factors influencing the selection and use of contraceptive methods among women attending the infant welfare clinic in Ona Ara local government, Ibadan, Oyo state. The sample size for this facility-based cross-sectional study was 329 lactating mothers, randomly selected using 10 primary health care facilities offering infant welfare clinic. Convenience sampling method was used. Data was analyzed using SPSS version 20, descriptive statistics was used. According to this study's findings, 81% of respondents are knowledgeable. 97.5 % of respondents learned about family planning from their male partners, 97.5% from the hospital, 3.7% from family, 6.2 % from friends and neighbors, 1.2% from a Pastor, 16.0% from a health care provider, and 6.5% from the media. Based on the findings, 51.1% of respondents are currently using family planning. 66.1% have used it for less than five years. 8.3 % are using oral pills, 16.7% are using condoms, 49.4% are using injectables, 17.9 % are using implants, and 7.8% use other methods such as emergency pills, withdrawal, calendar method, etc. From the result it can be seen that 92.3% of respondents are satisfied with their method, 37.0% decide on contraceptive use, 54.4% decide on child spacing with their spouse, 54.4% decide on their own, and 75.4% have time for a follow-up visit. Despite good knowledge, utilization was low 31%. The government and non-governmental organizations should collaborate to develop family planning programs that are accessible to the public. Key words: Contraceptive, Determinants, Utilization Word Count: 298enContraceptiveDeterminantsUtilizationThesis