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Menstrual cycle irregularities are a prevalent reproductive health issue among adolescent girls, often linked to dietary imbalances that contribute to hormonal disruption and nutrient deficiencies. This study aimed to analyze the relationship between dietary patterns and menstrual cycles among female students at Ambassador High School. A cross-sectional design was employed with stratified random sampling, involving 30 female students. Data were collected using structured questionnaires covering dietary patterns (frequency, food types, nutritional intake, and eating habits) and menstrual cycle characteristics (regularity, duration, and complaints). The Chi-Square test was used to assess associations between variables at a significance level of p < 0.05. Results indicated that 56.7% of respondents had unbalanced diets characterized by high fast-food consumption, low fruit and vegetable intake, and frequent meal skipping. Menstrual cycle irregularities were reported in 60% of respondents. Statistical analysis revealed a Chi-Square value of 4.420 with a p-value of 0.035, confirming a significant relationship between diet and menstrual cycle. Cross-tabulation showed that 76.5% of students with unbalanced diets experienced irregular cycles compared to 38.5% with balanced diets. These findings highlight the importance of nutrition education and healthy food provision in schools to support adolescent reproductive health.

Indiscipline in learning behavior is a form of problematic behavior that is commonly found in the school environment and has the potential to hinder the effectiveness of the learning process. This issue does not arise suddenly; rather, it develops gradually through processes influenced by various factors. This article aims to examine the problem of indiscipline in learning through a review and analysis of relevant research findings. The study uses a literature review method by collecting, examining, and analyzing journals and scientific references that discuss learning discipline and students’ indisciplined behavior. The results indicate that indiscipline in learning activities is influenced by both internal and external factors. Internal factors include low interest and motivation, poor study habits, weak values and morals, as well as students’ physical and psychological conditions. Meanwhile, external factors include family situations, peer influence, the school environment, the use of technology, and inconsistent enforcement of rules. The observable behaviors include arriving late, skipping school without clear reasons, violating school regulations, and showing a lack of responsibility. Therefore, addressing the problem of indiscipline in learning requires a comprehensive and sustainable approach involving both schools and families.