Ploidy variation in trophectoderm biopsies from day 5, 6, and 7 blastocysts
نویسندگان
چکیده
منابع مشابه
Perinatal outcomes following transfer of human blastocysts vitrified at day 5, 6 and 7
Little information is available on perinatal outcome of cryopreserved day-7 blastocyst transfer. In the present report, perinatal outcomes for transfers of cryopreserved blastocysts by a vitrification method were examined with respect to the day of blastocyst expansion among on day 5, 6 or 7 before cryopreservation. We investigated 263 cycles of vitrified-warmed blastocyst stage embryo transfer...
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Embryonic mosaicism, defined as the presence of karyotypically distinct cell lines within an embryo, has been frequently reported with a high incidence in preimplantation embryos derived from IVF and is thought to be one of the major biological limitations for the routine application of PGD for aneuploidies (PGD-A). The incidence of mosaicism in preimplantation embryos is in fact reported to be...
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We introduce a new type of meshes called 5-6-7 meshes. For many mesh processing tasks, lowor high-valence vertices are undesirable. At the same time, it is not always possible to achieve complete vertex valence regularity, i.e., to only have valence-6 vertices. A 56-7 mesh is a closed triangle mesh where each vertex has valence 5, 6, or 7. An intriguing question is whether it is always possible...
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BACKGROUND Human embryos produced by in vitro fertilization (IVF) are usually cultured to day 6 after insemination, and good quality of embryos should develop to blastocyst stage at days 5 and 6. However, some embryos develop slowly, thus they may form blastocysts on day 7. Most IVF laboratories culture embryos to day 6 and then discard retarded embryos that do not develop to blastocyst stage. ...
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The occurrence and significance of HHV-6 and HHV-7 were investigated in pulmonary tissue from lung transplant recipients. Eighty-seven transbronchial biopsies from 30 patients were studied by quantitative real-time PCR; the association with histopathological features was investigated. HHV-6 and HHV-7-DNA were detected in 6.9% and 9.2% transbronchial biopsies, respectively. A significant associa...
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ژورنال
عنوان ژورنال: Reproductive BioMedicine Online
سال: 2016
ISSN: 1472-6483
DOI: 10.1016/j.rbmo.2016.06.016