Determine The Effect of Exclusive Breastfeeding (ASI) and Utilizing Posyandu Services With Stunting Events in Age 6 - 24 Months In The Working Area of Air Dingin Primary Health Care

. Stunting is a chronic nutritional problem caused by a lack of nutrition in a long time, which is now Indonesia's main health problem. The research focuses on the effect of exclusive breastfeeding and utilization of Public Health Care services to the incidence of stunting in infants aged 6-24 months in Air Dingin Primary Health Care. This research is a quantitative study with a case-control design. Determination of the sample is done by the formula of case-control studies in pairs by classifying case groups and control groups are taken based on a ratio of 1: 1 with controls with the results of the calculation is 130 cases and 130 controls. Data were analyzed by statistical tests with categorical data (Chi-Square test). This study shows that 33.5% of respondents were not given exclusive breastfeeding, and 15.0% of respondents did not use Public Health services. Chi-square test results show that exclusive breastfeeding affects the incidence of stunting in infants aged 6-24 months (OR = 1.9). It indicates that Public Health Care services do not affect the stunting problems in infants aged 6-24 months. It is expected that mothers prioritize exclusive breastfeeding for their children, especially at the age of 0-6 months.