http://hdl.handle.net/1765/8814

High dose gonadotrophin-releasing hormone antagonist (ganirelix) may prevent ovarian hyperstimulation syndrome caused by ovarian stimulation for in-vitro fertilization


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This case report describes the first attempt to treat imminent ovarian hyperstimulation syndrome (OHSS) by using a gonadotrophin-releasing hormone (GnRH) antagonist. A 33 year old, normo-ovulatory woman undergoing in-vitro fertilization received daily subcutaneous injections of 150 IU of recombinant follicle-stimulating hormone (recFSH) from cycle day 2, together with GnRH antagonist (ganirelix) 0.125 mg from cycle day 7 onwards. On cycle day 10 the patient was found to have a serum oestradiol concentration of 16 500 pmol/l and, on ultrasound examination, four preovulatory (>16 mm) and nine intermediate sized (10-16 mm) follicles. RecFSH injections were discontinued, human chorionic gonadotrophin (HCG) withheld, whereas the ganirelix dose was increased to 2 mg/d. This regimen led to a rapid decrease in serum oestradiol concentrations and the decrease in ovarian size on ultrasound. Since GnRH antagonists will become clinically available for in-vitro fertilization programmes in the near future this suggested regimen might have a role in preventing severe OHSS.



Keywords


Automatically Extracted Terms
  • antagonist
  • hormone
  • hyperstimulation syndrome
  • gnrh antagonist
  • hyperstimulation
  • syndrome
  • gonadotrophin
  • administration
  • oestradiol
  • cycle
  • luteinizing hormone surge
  • ganirelix
  • level
  • follicle
  • surge
  • suppression
  • reprod
  • recfsh
  • in-vitro
  • cetrorelix


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