The effects of GnRH antagonist on the endometrium of normally menstruating women.

J Assist Reprod Genet

Department of Obstetrics and Gynecology, Faculty of Medicine, Chulalongkorn University, Rama IV Road, Bangkok, 10330, Thailand.

Published: December 2007

AI Article Synopsis

  • The study aimed to assess the impact of the GnRH antagonist ganirelix on the endometrium of women with regular menstrual cycles.
  • The research involved thirty-five participants across two cycles, evaluating hormonal levels and endometrial changes after treatment with ganirelix compared to a control cycle.
  • Results indicated no significant alterations in endometrial thickness or histological dating between the two cycles, although lower serum estradiol and LH levels were observed during the GnRH antagonist treatment.

Article Abstract

Purpose: To study the effects of GnRH antagonist (ganirelix-Orgalutran) on the endometrium of regularly menstruating women.

Materials And Methods: Prospective, self-controlled study. The thirty-five volunteers were studied for two cycles: one as a control and the other, GnRH antagonist-treated cycles in which ganirelix 0.25 mg/d was given daily for 3 days, starting when the largest follicle reached 15 mm. In both cycles, serum estradiol, LH and endometrial thickness were measured when the largest follicle was > or =18 mm. Endometrial biopsy was performed on day 6 after ovulation for histological dating and morphometric study.

Results: No statistical differences between histological dating and the endometrial thickness in the control and GnRH antagonist-treated cycles. All morphometric parameters were also not different. Serum estradiol and LH levels were significantly lower in GnRH antagonist-treated cycles.

Conclusion: GnRH antagonist has no effect on the endometrium of regularly menstruating women as assessed by either histological dating or morphometric analysis.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3455003PMC
http://dx.doi.org/10.1007/s10815-007-9184-zDOI Listing

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