Severe teenage acne and risk of endometriosis

Jing Xie, Xie J, Jinliang Xie, Marina Kvaskoff, Li Y, Yanping Li, Yunhui Li, M Zhang, Mingfeng Zhang, Zhang M, Abrar A. Qureshi, Qureshi AA, Stacey A. Missmer, Missmer SA, Jiali Han, Han J
Human Reproduction · 2014 · vol. 29(11) , pp. 2592–2599 · doi:10.1093/humrep/deu207 · PMID:25139175 · PMC4191450 · W2133961664
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This prospective cohort study found that severe teenage acne was associated with a 20% increased risk of endometriosis among female nurses.

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Abstract

STUDY QUESTION: Is there a relationship between severe teenage acne and endometriosis? SUMMARY ANSWER: Endometriosis is positively associated with severe teenage acne. WHAT IS KNOWN ALREADY: No studies have specifically explored a possible association between severe acne in adolescence and risk of endometriosis. STUDY DESIGN, SIZE, DURATION: This prospective cohort study used data collected from 88 623 female nurses from September 1989 to June 2009 as part of the Nurses' Health Study II (NHS II) cohort. PARTICIPANTS/MATERIALS, SETTING, METHODS: Regression models were used to calculate hazard ratios (HRs) and confidence intervals (CIs) for endometriosis among women with and without severe teenage acne. Multivariate models were adjusted for established risk factors of endometriosis. MAIN RESULTS AND THE ROLE OF CHANCE: A total of 4 382 laparoscopically confirmed endometriosis cases were documented during 1 132 272 woman-years of follow-up. Compared with women without a history of severe teenage acne, women who had severe teenage acne had a 20% increased risk of endometriosis (HR = 1.20, 95% CI: 1.08-1.32). The association was not affected by adjusting for use of tetracycline or isotretinoin. LIMITATIONS AND REASONS FOR CAUTION: The HR is likely to be underestimated since we only included endometriosis cases confirmed by laparoscopy. Although geographically diverse, the NHS II cohort is primarily Caucasian, which may limit generalization to more ethnically diverse populations. WIDER IMPLICATIONS OF THE STUDY: The results of this study suggest that severe teenage acne is associated with an increased risk of endometriosis. As a visible and non-invasive clinical indicator, severe teenage acne may be useful for early detection of endometriosis. We bring this counter-intuitive association to the attention of clinicians for the benefit of the patient and an early diagnosis of endometriosis. STUDY FUNDING/COMPETING INTEREST: This study was funded by research grant CA176726 from the National Institute of Health. M.K. is supported by a Marie Curie International Outgoing Fellowship within the 7th European Community Framework Programme (#PIOF-GA-2011-302078). The funding agencies had no role in the design of the study, in the analysis and interpretation of the data, in the writing of the report or in the decision to submit the paper for publication.

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Condition tags

endometriosis

MeSH descriptors

Acne Vulgaris Endometriosis Acne Vulgaris Adolescent Adult Cohort Studies Comorbidity Endometriosis Female Humans Incidence Risk Surveys and Questionnaires Young Adult

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