ArticleArchives of gynecology and obstetrics2020
Effect of the time for embryo transfer from oocyte retrieval on clinical outcomes in freeze-all cycles: a retrospective cohort study.
Article in Archives of gynecology and obstetrics, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers, 1 of them a synthesis that pooled it.
What it found
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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.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
3 citing papers in PubMed, 1 synthesis or guideline pooled it, 7 citations in OpenAlex.
- The optimal timing of frozen-thawed embryo transfer: delayed or not delayed? A systematic review and meta-analysis.Frontiers in medicine · 2023Pooled it
- Correspondence on "Effect of the time for embryo transfer from oocyte retrieval on clinical outcomes in freeze-all cycles: a retrospective cohort study".Archives of gynecology and obstetrics · 2022Article
- Effect of interval between oocyte retrieval and resuscitation embryo transfer on pregnancy outcomes.Frontiers in medicine · 2022Article
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Authors and funding
8 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposeTo identify the optimal time for the frozen embryo transfer (FET) after oocyte retrieval in freeze-all cycles.
methodsA retrospective analysis of 977 patients was performed. Implantation, clinical pregnancy and live birth rates were analyzed.
resultsNo significant difference was found between the first FET performed in the first menstrual cycle group and performed within the subsequent menstrual cycle group in terms of implantation, pregnancy and live birth rates. To rule out the effect of endometrial thickness, a hierarchical analysis was performed. There were no differences between groups for pregnancy, multiple pregnancy and live birth rates for all ranges of endometrial thickness.
conclusionsThe first FET should be performed once the endometrial thickness has been prepared well rather than delaying until the subsequent menstrual cycles.
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Registered trials
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