Inconsistent results have been reported for the association between polycystic ovary syndrome (PCOS) and risks of ovarian and breast cancers.1 Few studies had sufficient sample sizes, well-defined diagnostic criteria, or reasonable confounding adjustment.1,2 Even fewer studies have addressed the risks of other cancers. Thus, we conducted a large, population-based cohort study with a long follow-up period and rather sufficient confounding adjustment.
Yin W, Falconer H, Yin L, Xu L, Ye W. Association Between Polycystic Ovary Syndrome and Cancer Risk. JAMA Oncol. Published online November 29, 2018. doi:10.1001/jamaoncol.2018.5188
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