This study was conducted in Mareka woreda SNNPR, Dawro zone. Mareka woreda was onernof the rural woredas in short of basic infrastructures like road and telecommunications untilrnrecently. A cross-sectional survey with multi-stage cluster sampling was under taken to assessrnthe determinants of modern contraceptive use in 733 childbearing age women.rnCrude odds ratio was calculated to see the association between MCs and independentrnvariables. 95% CI and p.value were used to assess the degree of statistical association andrnmultiple logistic regressions was also employed to control for confounding.rnReligion, ethnic group, residence and marital duration were among the socio-demographicrnvariables analyzed and were not found significant. Age of the respondents and family sizernwere found good predictors of contraceptive use. Women with a family size of >10 membersrnwere nine times more likely to use contraceptives than those women who had one to fivernfamily members.rnProxy-socio-economic indicators like radio and ox/oxen possession and occupation were notrnsignificant predictors of contraceptive utilization in this study. But perceived economy ofrnmedium to rich was associated with less use 0f contraceptives. Reproductive factors likernhistory of number of pregnancy a woman had was not determinant of contraceptive use.rnNumber of Infant loss, number of abortion, and number of live births were also not associatedrnwith contraceptive use. History of abortion, and age at first pregnancy of women were foundrnto associate negatively with contraceptive utilization. Where women who ever had abortionrnuse contraceptives less likely as compared to those who didnâ€™t have history of abortion andrnviirnwomen who started to become pregnant in their later age use contraceptives more likely thanrnthose who started early.rnIn this study decision on and communication about family planning use was a predictor ofrncontraceptive use and couples who used to decide on and communicate about family planningrnwere found to use contraceptives more likely than those who did not.