Quest Journals Journal of Medical and Dental Science Research Volume 8~ Issue 6 (2021) pp: 07-17 ISSN(Online) : 2394-076X ISSN (Print):2394-0751 www.questjournals.org *Corresponding Author: Georgina O. ONIGA 7 | Page Research Paper Determinants of Modern Contraceptives Uptake among Postnatal Clinic Attendees in Ikeja Local Government Area, Lagos State, Nigeria Georgina O. ONIGA Department of Public Health, School of Public and Allied Health, Babcock University, Ilishan-Remo, Ogun State, Nigeria Catherine O. AGBEDE Department of Public Health, School of Public and Allied Health, Babcock University, Ilishan-Remo, Ogun State, Nigeria Evarister O. AIBANGBEE Department of Public Health, School of Public and Allied Health, Babcock University, Ilishan-Remo, Ogun State, Nigeria Amarachukwu P. OGBONNA Department of Public Health, School of Public and Allied Health, Babcock University, Ilishan-Remo, Ogun State, Nigeria Martin O. OGUNTADE Department of Public Health, School of Public and Allied Health, Babcock University, Ilishan-Remo, Ogun State, Nigeria ABSTRACT Maternal health outcomes in Nigeria have continued to be of great concern. According to the 2018 NDHS, there were 512 maternal deaths per 100,000; live births, Maternal Mortality Ratio (MMR) is still high and the population growth is on high side when compared to the developed countries. The study investigated the determinants of modern contraceptives uptake among post-natal clinic attendees in Ikeja Local Government Area, Lagos State, Nigeria. The study adopted a descriptive survey design. Multi-stage sampling techniques was used to select three hundred and fort-eight participants (348) among post-natal attendees in Ikeja Local Government. The instrument was a self-report questionnaire and validated used to collect data in the study. Descriptive statistics of simple frequency and percentages, also correlational analysis and chi-square analysis was used test the hypotheses at <.05 level of significant. The results showed that the mean age of 30.77 ±7.48years. Larger percent of the respondents 124(58.5%) had fair knowledge about modern contraceptive, meanwhile, 84(24.1%) of the respondents had good knowledge and 63(18.1%) of the respondents with poor knowledge. Majority of the respondents 216(62.1%) had positive perception towards modern contraceptive use. Majority of the respondents 201(57.8%) reported poor perception of modern contraceptive use. Majority of the respondents 215(61.8%) had low level of modern contraceptive use, while 133(38.2%) of the respondents with high level. result revealed that there is significant relationship between respondents’ knowledge and modern contraceptives (r=0.24; p=0.000). there was significant relationship between religion and the use of modern contraceptives. (X 2 = 13.00, df= 2, p=.002). The study concluded and recommended that the community health care provider, especially community health nurses should continue to create awareness on benefits of modern contraceptives which should involve all the women of reproductive age so as to ensure effective and efficient utilization of modern contraceptives use. KEY WORDS: knowledge, attitude, perception, modern contraceptives