Value Health 2022 May 3. Epub 2022 May 3.
Department of Reproductive Medicine, Xiangya Hospital, Central South University, Changsha, Hunan Province, China; The Clinical Research Center for Women's Reproductive Health in Hunan Province, Changsha, Hunan Province, China. Electronic address:
Objectives: Primary dysmenorrhea (PD), as the most common complaint among students, is also one of the public problems worldwide. Prevalence and risk factors of PD were variant between studies; as the main population, no meta-analysis for PD has hitherto been conducted in students.
Methods: We searched the published literature in PubMed, Embase, the Cochrane Library, Web of Science, National Knowledge Infrastructure, WANFANG, and VIP database. Read More