<![CDATA[Dysmenorrhea often occurs in adolescents because the hormones produced are not yet stable. The prevalence of primary dysmenorrhea in Indonesian adolescents is 60-75%. Physical activity is one of the primary risk factors for damage. Youth physical activity decreases every year. Purpose: This literature review aims to analyze the relationship between physical activity and primary dysmenorrhea in adolescents. Methods: The data search engines used were Google Scholar, Science Direct, and Garuda. The journals collected are national and international journals from 2015-2020. Search for research articles using inclusion and exclusion criteria. The literature review uses 15 national journals and 8 international journals. Results: The journals that stated physical activity related to primary in adolescents were found as many as 21 journals, while 2 journals that were not related. Physical activity increases endorphins, increases blood flow to the genitals, and increases vasodilation of blood vessels. Conclusion: Physical activity is related to primary in adolescents.]]>
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