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  • Title: Central-to-peripheral fat ratio, but not peripheral body fat, is related to insulin resistance and androgen markers in polycystic ovary syndrome.
    Author: Godoy-Matos AF, Vaisman F, Pedrosa AP, Farias ML, Mendonça LM, Pinheiro MF.
    Journal: Gynecol Endocrinol; 2009 Dec; 25(12):793-8. PubMed ID: 19905998.
    Abstract:
    BACKGROUND: Overweight, hyperandrogenism and insulin resistance are cardinal features of patients with polycystic ovary syndrome (PCOS). Women with PCOS have excess accumulation of trunkal fat and metabolic complications. Recent findings suggest that peripheral fat may have metabolic protective behaviour. The aim of this study was to investigate body fat distribution in patients with PCOS and associations of peripheral fat with metabolic and hormonal profile. METHODS: The study included 24 patients with PCOS and a control group of 13 women. Anthropometrical evaluation and dual-energy X-ray absorptiometry to determine body composition was performed. Plasma metabolic and hormonal profiles were evaluated. RESULTS: Patients with PCOS have increased proportion of central to peripheral fat ratio (CPFR) when compared to controls (p = 0.008). There was a positive correlation among trunkal fat, insulin, HOMA-IR and triglycerides (all p < 0.05). Regarding to peripheral fat there was no difference between groups, a trend to negative correlation to insulin appeared. Positive correlation between free androgens index and CPFR (p = 0.058) and a negative correlation between SHBG and CPFR (p = 0.016) were appeared. CONCLUSIONS: Patients with PCOS showed an android pattern fat distribution when compared to controls. Peripheral fat contribution and its relations to androgens in this context could not be established. Android pattern of fat distribution showed inverse correlation to SHBG levels, suggesting that SHBG may be related to fat distribution.
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