<![CDATA[Background: Exclusive breastfeeding coverage in Manado City remains below the national target, with a rate of 58.7% compared to the target of 80%. Approximately 47.4% of postpartum mothers in the postpartum ward of Robert Wolter Mongisidi Level II Hospital Manado reported insufficient breast milk production. Sweet potato (Ipomoea batatas) contains phytoestrogens, beta-carotene, and other nutrients that may stimulate prolactin hormone activity to support increased breast milk production. Objective: This study aimed to analyze the effect of local sweet potato consumption on increasing breast milk production among postpartum mothers at Robert Wolter Mongisidi Level II Hospital Manado in 2026. Methods: This study employed a quasi-experimental design using a pre-test post-test control group approach. A total of 34 respondents were selected through purposive sampling. Data were analyzed using the Wilcoxon and Mann-Whitney tests with a significance level of a = 0.05. Results: The mean breast milk production increased from 38.24 ml to 67.47 ml after the intervention, representing an increase of 29.23 ml (76.4 persen). The Wilcoxon test showed a significant difference with a p-value of 0.001, and the Mann-Whitney test showed a p-value of 0.000 (p < 0.05). Conclusion: Local sweet potato consumption significantly increased breast milk production among postpartum mothers at Robert Wolter Mongisidi Level II Hospital Manado.]]>
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