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. 2012 Apr;28(4):249-52.
doi: 10.3109/09513590.2011.613965. Epub 2011 Oct 4.

The influence of obesity on androstenedione to testosterone ratio in women with polycystic ovary syndrome (PCOS) and hyperandrogenemia

G Misichronis  1 , N A Georgopoulos, D J Marioli, A K Armeni, I Katsikis, A D Piouka, A D Saltamavros, N D Roupas, D Panidis
Affiliations
Free article

The influence of obesity on androstenedione to testosterone ratio in women with polycystic ovary syndrome (PCOS) and hyperandrogenemia

G Misichronis et al. Gynecol Endocrinol. 2012 Apr.
Free article

Abstract

The aim of the present study was to evaluate the impact of obesity and insulin resistance on testosterone formation from androstenedione and its contribution to biochemical hyperandrogenemia in all different phenotypic subgroups of PCOS patients. The case-control study included 1087 PCOS women and 206 regularly menstruating, ovulatory controls. The main clinical measurements included anthropometric and basal hormonal characteristics and evaluation of hyperandrogenic and insulin resistance-related features. The results were the following: In PCOS women with biochemical hyperandrogenemia, obesity significantly lowers serum A levels and increases T to A ratio. These findings were not present in PCOS women with clinical hypeandrogenemia and in normal ovulatory controls.

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