Introduction Polycystic ovary syndrome (PCOS) is a common endocrinologic disorder. Little is known about the effects of PCOS on overall sexual functioning, phases of the sexual response cycle, and sexual satisfaction. Aim To compare the differences in sexual function between women with PCOS and controls, and to assess the relationship of serum testosterone, body mass index (BMI), hirsutism, and acne with sexual function scores in women with PCOS. Methods A cross-sectional analysis in which women who met the National Institute of Child Health and Human Development criteria for PCOS were compared with a group of healthy volunteers. Main Outcome Measures Results from the validated Changes in Sexual Functioning Questionnaire (CSFQ) were used to assess sexual function. In women with PCOS, serum testosterone levels, BMI, self-reported hirsutism, and acne were assessed as independent variables. Results Ninety-two women with PCOS and 82 controls were studied. Based on total CSFQ scores, sexual dysfunction was present in 27.2% of cases vs. 24.4% of controls (not signifcant).Women with PCOS had a significantly lower orgasm/completion score compared with women in the control group (P < 0.001).Women with PCOS whose testosterone levels were >1 standard deviation above the mean had significantly better sexual functioning vs. those within 1 SD (P = 0.015) and those >1 SD below the mean (P = 0.033). In women with PCOS, increasing BMI was associated with a significant reduction in the orgasm/completion subdomain, but no significant associations were found in regard to acne or hirsutism. Conclusions Women with PCOS have similar sexual functioning scores compared with controls except in regard to orgasm/completion. The subpopulation of women with PCOS whose serum testosterone levels are in the normal reproductive range are at increased risk for sexual dysfunction.

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BackgroundSerum follicle stimulating hormone (FSH) levels are used clinically to evaluate infertility, pituitary and gonadal disorders. With increased frequency of research collaborations across institutions, it is essential that inter-laboratory validation is addressed.MethodsAn inter-laboratory validation of three commercial FSH immunoassays was performed with human serum samples of varying frozen storage length (2 batches of 15 samples each) at -25 degree C. Percentage differences and Bland-Altman limits of agreement were calculated.ResultsThe inter- and intra-laboratory consistency of FSH values with the same assay manufacturer was much higher after shorter-term storage (frozen for less than 11 months, mean percentage degradation less than 4%) than after long-term storage (2-3 years, mean percentage degradation = 23%). Comparing assay results from different manufacturers, there was similar overall long term degradation as seen with the same manufacturer (-25%), however the degradation was greater when the original FSH was greater than 20 mIU/mL relative to less than 10 mIU/mL (p < 0.001 trend test).ConclusionThe findings suggest that degradation of serum samples stored between 11 months and 2-3 years at -25 degrees C can lead to unstable FSH measurements. Inter-laboratory variability due to frozen storage time and manufacturer differences in assay results should be accounted for when designing and implementing research or clinical quality control activities involving serum FSH at multiple study sites.

Introduction-Polycystic ovary syndrome (PCOS) is a common endocrinologic disorder. Little is known about the effects of PCOS on overall sexual functioning, phases of the sexual response cycle, and sexual satisfaction.

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