Polycystic ovarian syndrome (PCOS), diagnosed based on hyperandrogenism, ovulatory dysfunction, and polycystic ovaries, is one of the most common disorders of reproductive-aged females. Etiology includes both genetic and environmental/lifestyle factors contributing to both insulin resistance and hyperandrogenism. Clinically, PCOS has reproductive, psychological, and metabolic features, the latter predisposing to cardiovascular disease (CVD). Hemostatic abnormalities have an association with and a demonstrated pathophysiological role in CVD in non-PCOS populations but have not been adequately explored in PCOS. This review focuses on the hemostatic system in PCOS, exploring also relationships to the metabolic and hormonal abnormalities of the syndrome, and aims to identify whether hemostatic abnormalities are present as potential contributors to increased cardiovascular risk. Ultimately, this area may reveal preventative and therapeutic opportunities, which could improve the cardiovascular health of women with PCOS.
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