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  • Title: Polycystic ovarian disease unmasked by pulsatile GnRH therapy in a subgroup of women with hypothalamic amenorrhea.
    Author: Mattle V, Bilgyicildirim A, Hadziomerovic D, Ott HW, Zervomanolakis I, Leyendecker G, Wildt L.
    Journal: Fertil Steril; 2008 Feb; 89(2):404-9. PubMed ID: 17583701.
    Abstract:
    OBJECTIVE: To present the observation in six out of 120 women treated with pulsatile GnRH for ovulation induction, who developed hyperandrogenemia and polycystic ovaries during treatment. DESIGN: Clinical observation. SETTING: Department of Gynecologic Endocrinology and Reproductive Medicine, Medical University of Innsbruck, Austria. PATIENT(S): A total of 120 women initially diagnosed as suffering from primary or secondary hypothalamic amenorrhea were treated for ovulation induction with pulsatile administration of GnRH for up to 140 days. There was no indication of the presence of polycystic ovaries or hyperandrogenemia before therapy. INTERVENTION(S): Pulsatile GnRH therapy using the Zyklomat pump. MAIN OUTCOME MEASURE(S): Ovulatory menstrual cycles. RESULT(S): Initially, all patients responded to pulsatile GnRH administration with ovulation and corpus luteum formation. During continuation of treatment, 6 patients developed an increase in LH and LH/FSH ratio as well as a progressive rise in serum T levels resulting in hyperandrogenemia. This was accompanied by the development of polycystic ovaries and cessation of follicular maturation. CONCLUSION(S): We conclude from these observations that restoration of normal GnRH stimulation of the pituitary gland can result in the development of hyperandrogenemia and polycystic ovaries, suggesting a pituitary or ovarian defect underlying the pathogenesis of this disorder.
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