Abstract-This quasi experiment research concerned and to increase knowledge level fertile aged couple in Makassar Moslem's community, the various attitudes about birth control among subjects after intervention, Husband's engagement after intervention, the effectiveness of the combination between natural family planning; and condom use among subject and The influence of knowledge, attitudes, social norms, beliefs, to support from the couple to succeed the intervention process. All fertileaged couples in community used as population subject. Selected sample (n = 37) by purposive sampling method. The data collected by questionnaires. The effectiveness was assessed by failure and successful to pregnant or not pregnant during this research is independent variable, meanwhile the dependent variables incorporates social, cultural and individual factors. This research conducted a descriptive analysis, Shapiro Wilk method was used as a normality test, bivariate analysis with the Wilcoxon and Chi square test and multivariate analysis using logistic regression analysis (α = 5%). Natural family planning with the use of combination condom had influenced the success of Moslem woman's pregnancy through 5 factors: knowledge (OR=7), support from partners (OR=5), social norms (OR=4), belief (OR=3), and attitude (OR=1).