Siagian FY. THE RELATIONSHIP BETWEEN STRESS LEVEL AND ANXIETY LEVEL WITH THE MENSTRUAL CYCLE OF GRADE XII STUDENTS OF METHODIST HIGH SCHOOL 1 MEDAN: THE RELATIONSHIP BETWEEN STRESS LEVEL AND ANXIETY LEVEL WITH THE MENSTRUAL CYCLE OF GRADE XII STUDENTS OF METHODIST HIGH SCHOOL 1 MEDAN. JKM [Internet]. 2025 Jun. 30 [cited 2026 Jun. 21];18(1). Available from: https://ejurnal.methodist.ac.id/index.php/jkm/article/view/5781