Mother’s milk (ASI) is the best nutritious and high-energy, nutritious food that is easy to digest and contains a balanced and perfect nutritional composition for infant growth. Problem formulation in this research is: is there influence of mother determinant factor to exclusive breastfeeding in Tambunan village of Sibolangit Subdistrict of Deli Serdang Regency and purpose of this research is to know mother determinant factor to exclusive breastfeeding in Tambunan village, Sibolangit Subdistrict, Deli Serdang Regency. The type of research used in this research is analytic survey research. The steps of descriptive analytic research are: Collecting the literature, spreading the questionnaire, questionnaire tabulation and analysis in the field with the literature. The study was conducted in Tambunan village, Sibolangit Subdistrict, Deli Serdang Regency and will be done in 2017. The population in this study is all infants aged 6-12 months and toddlers aged 1-2 years who come immunization in Tambunan village, Sibolangit Sub-district Deli Serdang Regency as many as 56 babies and the sample in this study is all the population made into a sample that is 56 babies. Methods of data collection is a questionnaire, Literature study, literature study and interviews related to research variables Data analysis conducted in this study is a qualitative and quantitative analysis. Quantative analysis by using Chi-square statistical test.
Keywords: Determinant Factor; Exclusive Breast Milk; Immune; Baby
