AUTHOR=Tseng Tzyy-Guey , Kuan Che-Yen , Lo Yun-Ping , Chuang Yun-Shiuan , Lee Chun-Ying , Lin Yi-Ting , Shyu Ing-Luen , Wu Ming-Tsang , Tai Chi-Jung TITLE=Clinical association of body symptoms and primary dysmenorrhea among young and middle-aged women: an observational study JOURNAL=Frontiers in Medicine VOLUME=12 YEAR=2025 URL=https://www.frontiersin.org/journals/medicine/articles/10.3389/fmed.2025.1529470 DOI=10.3389/fmed.2025.1529470 ISSN=2296-858X