<![CDATA[Teenagers are an age group that undergoes significant physiological and hormonal changes, including in reproductive health. One important indicator of reproductive health is the regularity of the menstrual cycle. Menstrual cycle disorders are quite high among teenagers in Indonesia, and one of the factors affecting it is nutritional status. This study aims to find out the relationship between nutritional status and the menstrual cycle in female teenagers at MA Putri PUI Talaga, Majalengka Regency. The research is quantitative analytical with a cross-sectional approach, conducted on February 11, 2025, involving 305 respondents selected through purposive sampling. Data was collected through Body Mass Index (BMI) measurements and questionnaires related to the menstrual cycle. Data analysis using the Chi-Square test showed that the majority of respondents had a normal nutritional status (66.6%), followed by overweight (17.0%) and underweight (16.4%). About 50.5% of respondents had regular menstrual cycles, while 49.5% had irregular cycles. The Chi-Square test results showed a significant relationship between nutritional status and the regularity of the menstrual cycle (p = 0.007), so it can be concluded that nutritional status affects menstrual cycle regularity in adolescent girls, and there is a significant relationship between nutritional status and menstrual cycle regularity in adolescents. The recommendations from this study are expected to serve as guidance for health workers, schools, and teenagers to pay more attention to nutritional status to support reproductive health. Teenagers are an age group that undergoes significant physiological and hormonal changes, including in reproductive health. One important indicator of reproductive health is the regularity of the menstrual cycle. Menstrual cycle disorders are quite high among teenagers in Indonesia, and one of the factors affecting it is nutritional status. This study aims to find out the relationship between nutritional status and the menstrual cycle in female teenagers at MA Putri PUI Talaga, Majalengka Regency. The research is quantitative analytical with a cross-sectional approach, conducted on February 11, 2025, involving 305 respondents selected through purposive sampling. Data was collected through Body Mass Index (BMI) measurements and questionnaires related to the menstrual cycle. Data analysis using the Chi-Square test showed that the majority of respondents had a normal nutritional status (66.6%), followed by overweight (17.0%) and underweight (16.4%). About 50.5% of respondents had regular menstrual cycles, while 49.5% had irregular cycles. The Chi-Square test results showed a significant relationship between nutritional status and the regularity of the menstrual cycle (p = 0.007), so it can be concluded that nutritional status affects menstrual cycle regularity in adolescent girls, and there is a significant relationship between nutritional status and menstrual cycle regularity in adolescents. The recommendations from this study are expected to serve as guidance for health workers, schools, and teenagers to pay more attention to nutritional status to support reproductive health.]]>
