Raising threshold for diagnosis of polycystic ovary syndrome excludes population of patients with metabolic risk

Adjusting follicle number criteria to 25 per ovary excludes patients with metabolic risk from a diagnosis of polycystic ovary syndrome.

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Volume 106, Issue 5, Pages 1244-1251

Authors:

Molly M. Quinn, M.D., Chia-Ning Kao, M.Sc., Asima Ahmad, M.D., Nikolaus Lenhart, B.S., Kanade Shinkai, M.D., Ph.D., Marcelle I. Cedars, M.D., Heather G. Huddleston, M.D.

Abstract:

Objective

To characterize the population of patients excluded from a diagnosis of polycystic ovary syndrome (PCOS) when follicle number criteria are increased to 25 per ovary as suggested by the Androgen Excess and Polycystic Ovary Syndrome Society's recent task force.

Design

Cross-sectional study.

Setting

Multidisciplinary PCOS clinic at a tertiary academic center.

Patient(s)

A total of 259 women with PCOS according to Rotterdam criteria who were systematically examined from 2007 to 2015, with 1,100 ovulatory women participating in the Ovarian Aging (OVA) Study as controls.

Intervention(s)

Anthropometric measurements, serum testing, ultrasonic imaging, and comprehensive dermatologic exams.

Main Outcome Measure(s)

Body mass index (BMI), waist to hip ratio (WHR), serum cholesterol, fasting glucose and insulin, follicle count per ovary, biochemical hyperandrogenemia, and hirsutism.

Result(s)

Forty-seven of 259 women meeting the Rotterdam criteria (18.1%) were excluded from a diagnosis of PCOS when the follicle number criteria was increased to 25. These women had clinical evidence of hyperandrogenism (68.1%) and biochemical hyperandrogenemia (44.7%), although fewer reported oligoanovulation (26.8%). The excluded women had elevated total cholesterol, fasting insulin, and homeostatic model of insulin resistance (HOMA-IR) when compared with controls despite controlling for age and BMI.

Conclusion(s)

The women excluded from the PCOS diagnosis by raising the threshold of follicle number per ovary to ≥25 continue to show evidence of metabolic risk.


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Fertility and Sterility

Editorial Office, American Society for Reproductive Medicine

Fertility and Sterility® is an international journal for obstetricians, gynecologists, reproductive endocrinologists, urologists, basic scientists and others who treat and investigate problems of infertility and human reproductive disorders. The journal publishes juried original scientific articles in clinical and laboratory research relevant to reproductive endocrinology, urology, andrology, physiology, immunology, genetics, contraception, and menopause. Fertility and Sterility® encourages and supports meaningful basic and clinical research, and facilitates and promotes excellence in professional education, in the field of reproductive medicine.

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