ArticleJBRA assisted reproduction2022
Dual trigger improves response to ovarian stimulation and ICSI outcomes in patients with a previous r-hCG triggered ICSI cycle.
Article in JBRA assisted reproduction, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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5 authors at 2 institutions in 1 country.
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Abstract
objectiveTo evaluate if ovarian response to controlled ovarian stimulation (COS) and intracytoplasmic sperm injection (ICSI) outcomes are improved by the use of dual trigger (gonadotropin-releasing hormone (GnRH) agonists plus recombinant human chorionic gonadotropin (r-hCG)) in patients with previous cycles triggered with r-hCG.
methodsThis case-control study included 88 matched cycles performed in 88 patients, which had the first ICSI cycle triggered with r-hCG (n=44), and the following ICSI cycle with dual trigger (n=44). We compared the cycle outcomes between the groups. In a second case-control within-subject analyses, we compared the ICSI outcomes between patients which had the first ICSI cycle triggered with r-hCG only (n=18), and the following ICSI cycle with dual trigger (n=18) or r-hCG only (n=18).
resultsUpon investigating repeated cycles (r-hCG only vs. dual trigger), we found higher oocyte yield and mature oocyte rates, lower immature oocyte rates, higher fertilization rates, and higher blastocyst development rates; and higher rates of cycles with embryos transferred and implantation in the dual trigger cycle.
conclusionsThe dual trigger regimen is a more effective approach than r-hCG trigger in patients with a previous r-hCG triggered ICSI cycle, yielding improved response to COS, and better laboratorial and clinical outcomes.
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