Introduction: Early menarche and long menstrual cycle were several factors that influence the occurrence of dysmenorrhea. Girls who have early menarche got a higher risk of experiencing dysmenorrhea as well as girl who experience long menstrual cycle. These both problems resulted excessive uterine contractions and secreted more prostaglandins so that causing dysmenorrhea. This study aims to analyze whether there is a relationship between early menarche, menstrual duration and dysmenorrhea in class VIII students in 2019-2020 school year at SMPN 20 Surabaya.
Methods: The design of this study used a cross-sectional approach. The population was all students of class VIII 2019-2020 school year at SMPN 20 Surabaya. Sample were 140 students which were taken based on proportional stratified simple random sampling technique. Retrieval of data by taken through filling out online forms. The independent variable were early menarche and menstrual duration, and the dependent variable was dysmenorrhea. The data analysis used the Spearman rank test with the significance level α = 0,05.
Results: Research result of first independent variable, it was obtained p value = 0.022 which means there is a relationship between early menarche and dysmenorrhea in class VIII students of SMPN 20 Surabaya, and research for the second independent variable, it was obtained p value = 0.04 which means there is a relationship between menstrual duration and dysmenorrhea in class VIII students of SMPN 20 Surabaya.
Conclusion: Students who experience early menarche and have a long menstrual duration are more at risk of experiencing dysmenorrhea with severe pain levels. Students who experience early menarche and long menstrual periods are able to minimize the incidence of dysmenorrhea by such as maintaining a regular diet, consuming nutritious food intake, and taking pain relievers if dysmenorrhea occurs.