Background: Pregnant women’s knowledge regarding healthy dietary patterns is often still low, which may affect maternal and fetal health. Health literacy is one of the promotive efforts that can improve pregnant women’s understanding of nutritional needs during pregnancy. Methods: This study used a pre-experimental design with a one-group pretest-posttest approach. The sample consisted of 32 pregnant women at TPMB Bd. Eny Islamiati, S.Tr.Keb Bululawang. Data were collected using a knowledge questionnaire before and after the health literacy intervention. Data analysis was performed using the Paired Sample t-test with a significance level of 0.05. Results: Before the intervention, most respondents had poor knowledge (84.4%). After the intervention, knowledge improved, with most respondents having sufficient (65.6%) and good (34.4%) knowledge, and no respondents remaining in the poor category. Normality test results showed that the data were normally distributed (p>0.05). The Paired Sample t-test showed a significance value of 0.000 (p<0.05), indicating a significant difference between pretest and posttest. Conclusion: Health literacy is effective in improving knowledge of healthy dietary patterns among pregnant women at TPMB Bd. Eny Islamiati Bululawang.
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