ArticleJournal of assisted reproduction and genetics2023
Factors influencing the number of mature oocytes and cryopreservable blastocysts in hyperresponder patients triggered with a GnRH analog.
Article in Journal of assisted reproduction and genetics, 2023. 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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4 authors at 1 institution in 1 country.
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Abstract
purposeThis study aimed to investigate which patient and cycle characteristics may affect the number of mature oocytes and cryopreservable blastocysts in the GnRH analog trigger cases.
methodsThis was a retrospective cohort study of 2749 GnRHa trigger cycles in patients at risk of OHSS, including a group of PGT patients, between 2011 and 2020 at Istanbul Memorial Hospital, ART and Reproductive Genetics Center. Patient and cycle characteristics were evaluated using the Generalized Linear Mixed Model (GLMM). The number of mature oocytes and the number of cryopreservable blastocysts were evaluated.
resultsA one-unit increase in female age, daily gonadotropin dose, E2 level on day 2, and LH level on trigger day significantly decreased the number of mature oocytes retrieved (p < 0.001) and the number of cryopreservable blastocysts as p < 0.001, p < 0.001, p < 0.001, and p = 0.003, respectively. The duration of GnRH antagonist use also decreased the number of mature oocytes retrieved (p < 0.001) but not the number of cryopreservable blastocysts.
conclusionThe GLMM used in our study showed that a one-unit increase in female age, daily gonadotropin dose, E2 level on day 2, and LH level on trigger day significantly decreased the number of mature oocytes retrieved and the number of cryopreservable blastocysts.
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