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Comparative Study
. 2008 Jun;198(6):670.e1-7; discussion 670.e7-10.
doi: 10.1016/j.ajog.2008.01.037. Epub 2008 Mar 20.

Endocrine and metabolic differences among phenotypic expressions of polycystic ovary syndrome according to the 2003 Rotterdam consensus criteria

Robert P Kauffman  1 , Teresa E Baker, Vicki M Baker, Pamela DiMarino, V Daniel Castracane
Affiliations
Comparative Study

Endocrine and metabolic differences among phenotypic expressions of polycystic ovary syndrome according to the 2003 Rotterdam consensus criteria

Robert P Kauffman et al. Am J Obstet Gynecol. 2008 Jun.

Abstract

Objective: The Rotterdam criteria extend the phenotypic spectrum of polycystic ovary syndrome (PCOS). We characterized endocrine and metabolic differences among women meeting the National Institutes of Health (NIH) definition for PCOS vs two novel phenotypes established by the European Society of Human Reproduction and Embryology/American Society for Reproductive Medicine definition.

Study design: Endocrine and metabolic data from a retrospective analysis of 160 age- and weight-matched women with PCOS and 23 controls were compared. Insulin sensitivity indices were correlated with androgens, gonadotropins, and lipids within each phenotype.

Results: Ovarian and adrenal androgens were highest in the NIH-defined PCOS group, lowest in the nonhyperandrogenic PCOS group, and intermediate in the hyperandrogenic ovulatory PCOS population. Insulin sensitivity indices, gonadotropins, and lipids were similar across all PCOS phenotypes. The magnitude of insulin resistance correlated with free testosterone only in the NIH-defined group.

Conclusion: Androgen levels are the major distinguishing endocrine feature differentiating phenotypic expressions of PCOS. Hyperinsulinemia correlates with free testosterone levels only in traditional NIH-defined women with PCOS.

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