ArticleInternational journal of fertility & sterility2024
Live Birth after Cleavage-Stage versus Blastocyst-Stage Embryo Transfer in Assisted Reproductive Technology: A Randomised Controlled Study.
Article in International journal of fertility & sterility, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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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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Who cites it
3 citing papers in PubMed.
- Article
- Anomaly Detection in Embryo Development and Morphology Using Medical Computer Vision-Aided Swin Transformer with Boosted Dipper-Throated Optimization Algorithm.Bioengineering (Basel, Switzerland) · 2024Article
- Comment on "Reproductive Outcomes of Transferring Blastocysts Derived From Frozen-Thawed Cleavage Embryos: A Systematic Review and Meta-Analysis".Reproductive medicine and biologyArticle
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundBlastocyst stage transfer appears to improve pregnancy outcomes. The aim of this study is to evaluate the pregnancy results between fresh cycle blastocyst stage embryo transfer and cleavage stage embryo transfer in patients who undergo intracytoplasmic sperm injection (ICSI). MATERIALS AND
methodsThis randomised clinical trial study was conducted at the Infertility Research Centre of Milad Hospital in Mashhad, Iran from 2018 to 2020 on 240 infertile women who presented for their first ICSI procedure. These patients were assigned to receive either cleavage embryo transfer (n=112) or blastocyst stage transfer (n=107). Pregnancy outcomes were measured in both groups.
resultsThere were no differences regarding age, body mass index (BMI), serum follicle-stimulating hormone (FSH), duration of infertility, and aetiology of infertility between the groups (P>0.05). There were more follicles, total oocytes, and metaphase II (M2) oocytes in the blastocyst stage group. Considerably more cleavage stage embryos were transferred compared to the number of transferred blastocysts (P=0.001). The blastocyst group had more vitrified embryos than the cleavage group (P=0.000). The rates of implantation (P=0.332), chemical pregnancy (P=0.165), clinical pregnancy (P=0.694), and live births (P=0.727) were higher in the blastocyst group, but they were not significantly different. The rate of abortion was also not significantly higher in the blastocyst group (P=0.296).
conclusionBlastocysts transferred in the fresh cycle of an ICSI procedure may be more advantageous compared to cleavage stage embryo transfer (registration number: IRCT20181030041503N1).
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