Dysmenorrhea can be divided into primary and secondary types. 一般可分為原發性和繼發性痛經。
Primary dysmenorrhea is a common disorder with a high incidence in women, which affects quality of work and life, and attracts attention. 摘要原發性痛經是婦科常見病，因其發病率高及影響了人們的正常工作和日常生活而受到人們的關注。
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