Obstet Gynecol Sci.  2022 Mar;65(2):215-222. 10.5468/ogs.21317.

Association between different dual trigger dosages and in vitro fertilization results in patients with patient-oriented strategies encompassing individualized oocyte number group IV

• Kang MK
• Kim MK
• Kim TH
• Kim JW
• Chang EM
• Lyu SW
• Kim JY
• Lee WS

• KMID: 2527273
• DOI: http://doi.org/10.5468/ogs.21317

Abstract

Objective
Dual trigger is used to induce final oocyte maturation during the process of controlled ovarian hyperstimulation, yet yielding controversial results. Also, there are yet no data regarding the effect of the dosage of the dual trigger on clinical outcomes. Based on the Patient-Oriented Strategies Encompassing IndividualizeD Oocyte Number (POSEIDON) criteria, this study aimed to determine the clinical difference of a single bolus versus two boluses of gonadotropin-releasing hormone agonist (GnRHa) in POSEIDON group IV patients using dual trigger.
Methods
We screened a total of 1,256 patients who underwent in vitro fertilization (IVF) cycles who met the POSEIDON group IV criteria. Six hundred and twenty-nine patients received one bolus of GnRHa, and 627 patients were given two boluses. All patients received the same dose of recombinant human chorionic gonadotropin during the dual trigger cycle.
Results
Metaphase II oocyte retrieval rate, fertilization rate and clinical pregnancy rate did not differ between the two groups. However, a lower percentage of at least one top-quality embryo transfer (34.3% vs. 26.0%, P=0.001) in the two bolus-GnRHa group was noted.
Conclusion
A double bolus of GnRHa did not show superior clinical results compared to a single bolus of GnRHa in the dual trigger IVF cycle. Therefore, GnRHa doses for use should be decided based on individual clinical situations considering cost-effectiveness and patient compliance, but further investigation will be needed.

Keyword

Dual trigger; GnRH agonist; Infertility; fertilization

Reference

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