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Gynecol Endocrinol. 1996 Oct;10(5):319-26.

Hyperinsulinemia in the polycystic ovary syndrome: a clinical, endocrine and echographic study in 240 patients.

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Department of Gynaecological Endocrinology, University of Brescia, Italy.


In recent years numerous studies have suggested insulin to be an important regulator of ovarian function and hyperinsulinemia to be associated with hyperandrogenism. An oral glucose-tolerance test was carried out in 240 women with polycystic ovary syndrome and, based on its result, 142 of the women (59.2%) were insulin resistant or hyperinsulinemic and 98 (40.8%) were normoinsulinemic. Compared with the normoinsulinemic group, the hyperinsulinemic group had a greater incidence of obesity (52.8 vs. 21.4%), secondary amenorrhea (24.6 vs. 9.2%), androgenic symptoms (85.9 vs. 67.4%) and, in particular, hirsutism with or without acne (71.8 vs. 48.0%). Moreover, the hyperinsulinemic group had significantly higher plasma levels of androstenedione, testosterone, free testosterone and insulin, and lower levels of luteinizing hormone, estradiol and sex hormone-binding globulin.

[Indexed for MEDLINE]

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