Exclusive breastfeeding during the first six months of an infant’s life is the primary recommendation from WHO and UNICEF, as it has been proven to offer significant health benefits for both infants and mothers. However, the coverage of this practice remains suboptimal in many countries, including Indonesia, due to various multidimensional factors. This article aims to systematically review the scientific literature from the past ten years (2015–2025) on the factors influencing the success of exclusive breastfeeding, with a focus on maternal knowledge, socioeconomic factors, social support, and policies. The review findings indicate that education level, maternal understanding of the benefits and techniques of breastfeeding, employment status, household income, and access to healthcare services play crucial roles in the success of exclusive breastfeeding practices. Several studies also highlight the importance of social support from family, friends, and community, as well as government policies such as maternity leave and educational programs that promote exclusive breastfeeding. Community-based interventions and supportive policy environments have also been shown to effectively increase exclusive breastfeeding rates. Therefore, a holistic approach is needed—not only to improve maternal knowledge, but also to address the social and policy-related factors that influence breastfeeding behavior.
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