ArticleReproductive medicine and biology
Comment on "Sperm Injection at the Para-Polar Body Site in Piezo-Intracytoplasmic Sperm Injection Improves Subsequent Early Development of Bovine Embryos".
Article in Reproductive medicine and biology. 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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Authors and funding
2 authors.
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Abstract
Piezo-intracytoplasmic sperm injection (piezo-ICSI) is increasingly used to reduce mechanical damage during sperm injection. In the recent study by Ashibe et al., placing the first polar body (PB) at the 2 or 4 o'clock position ("para-PB piezo") improved immediate oocyte survival versus conventional 6/12 o'clock orientation, without negatively affecting blastocyst formation or chromosomal integrity in bovine oocytes. The proposed mechanism is that drilling through the wider perivitelline gap reduces oolemma perturbation and secondary Ca
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