Abstract
Patients with polycystic ovary syndrome (PCOS) often have coexisting insulin resistance (IR), glucose intolerance or diabetes, and metabolic syndrome. For larger epidemiological studies, detection of IR may be accomplished using surrogate measures, such as the homeostatic model assessment or the quantitative insulin-sensitivity check index. Alternatively, research studies of IR, particularly those involving a smaller number of subjects, should strive to utilize the clamp, the frequently sampled intravenous glucose tolerance test, the insulin suppression test, or oral glucose tolerance test techniques. Clinically, in PCOS the standard 2-hour oral glucose tolerance test, measuring both insulin and glucose, yields the highest amount of information for a reasonable cost and risk, providing an assessment of both the degrees of hyperinsulinemia and glucose tolerance. However, considering the current variability in insulin assays, each laboratory should set its own normal range and establish a method for periodically reevaluating the acceptability of their results. Up to 25% of nonobese patients and 50% of obese patients with PCOS will have features consistent with the metabolic syndrome. Detection of the metabolic syndrome will include obtaining a thorough medical history, waist and hip circumferences, blood pressure measures, calculation of the body mass index, a lipid profile, and either serum-fasting glucose levels or, preferably, the glucose response to a standard OGTT.
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Azziz, R. (2007). Evaluation for Insulin Resistance and Comorbidities Related to Insulin Resistance in Polycystic Ovary Syndrome. In: Diamanti-Kandarakis, E., Nestler, J.E., Panidis, D., Pasquali, R. (eds) Insulin Resistance and Polycystic Ovarian Syndrome. Contemporary Endocrinology. Humana Press. https://doi.org/10.1007/978-1-59745-310-3_1
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DOI: https://doi.org/10.1007/978-1-59745-310-3_1
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