Arnold, Lauren D, Bachmann, Gloria A, Rosen, Raymond et al. · American journal of obstetrics and gynecology · 2007 · DOI
This study looked at how common vulvodynia (chronic pain in the vulva) is among American women and found that about 4% currently experience it. Women with vulvodynia were more likely to also have other conditions like chronic fatigue syndrome, fibromyalgia, depression, and irritable bowel syndrome. Many women reported that the pain significantly affected their sexual life and daily activities.
This study is relevant to ME/CFS because it demonstrates a significant co-occurrence between vulvodynia and CFS (2.78-fold increased odds), suggesting shared pathophysiological mechanisms or overlapping patient populations. Understanding these associations may help explain the multi-system pain and infection susceptibility experienced by many ME/CFS patients.
This study does not establish causation between vulvodynia and CFS or other comorbidities—only association. The cross-sectional design cannot determine whether vulvodynia develops before, after, or simultaneously with CFS. The study also does not explain the biological mechanisms underlying these associations.
About the PEM badge: “PEM required” means post-exertional malaise was an explicit required diagnostic criterion for participant inclusion in this study — not that PEM was studied, observed, or discussed. Studies using criteria that do not require PEM (e.g. Fukuda, Oxford) are tagged “PEM not required”. How the atlas works →
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