January 2023 in “International journal of medical science and health research” This study found that anovulatory PCOS patients were younger, had longer menstrual cycles, and higher systolic blood pressures compared to ovulatory patients.
2 citations
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April 2021 in “Reproductive health of woman” This study found that among women with PCOS, the most common clinical symptoms were menstrual dysfunction, infertility, acne, and hirsutism, with the non-androgenic phenotype being the most frequently identified.
1 citations
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July 2025 in “BMC Medicine” The authors concluded that establishing and standardizing methods for data collection are crucial to improving PCOS diagnosis and research due to challenges observed in data harmonization across diverse international cohorts.
286 citations
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January 2009 in “Human Reproduction Update” This study reports that NIH PCOS is linked to more severe metabolic issues, including higher obesity and insulin resistance, compared to non-NIH PCOS phenotypes.
145 citations
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March 2010 in “Fertility and Sterility” This study reported that ovulatory PCOS is a milder form of the condition compared to classic PCOS phenotypes, which share similar clinical and hormone characteristics.