 Testosterone levels and upper body fat in PCOS
Endocr J. 2001 Dec;48(6):685-9.Links
Relationships among serum testosterone levels, body fat and muscle mass distribution in women with polycystic ovary syndrome.
Douchi T, Yoshimitsu N, Nagata Y.
Department of Obstetrics and Gynecology, Faculty of Medicine, Kagoshima University, Japan.
We investigated the relationships among serum testosterone levels, body fat and muscle mass distribution in women with polycystic ovary syndrome (PCOS).
Subjects were 67 women with PCOS (mean age +/- standard deviation, 28.8 +/- 6.6 years). Baseline characteristics included age and height. Trunk-leg fat ratio and trunk-leg muscle ratio were assessed with dual-energy x-ray absorptiometry. Serum testosterone and dehydroepiandrosterone sulfate levels were measured with radioimmunoassays.
Relationships among serum testosterone levels, body fat and muscle mass distribution were investigated using Pearson and partial correlation tests. Serum testosterone levels were positively correlated with trunk-leg fat ratio (r = 0.398, P < 0.01), but were inversely correlated with trunk-leg muscle ratio (r = -0.332, P < 0.05). Trunk-leg muscle ratio was inversely correlated with trunk-leg fat ratio (r = -0.360, P < 0.01). Serum testosterone levels were still correlated with trunk-leg fat ratio (r = 0.500, P < 0.001) and trunk-leg muscle ratio (r = -0.286, P < 0.05), after adjusting for age and height. Trunk-leg fat ratio was still correlated with trunk-leg muscle ratio, after adjusting for age, height, and serum testosterone levels. Based on these results, we concluded that higher serum testosterone levels may contribute to the upper body fat distribution and peripheral muscle mass distribution. In addition, peripheral muscle mass distribution may also contribute to the upper body fat distribution.
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