blastocyst


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Related to blastocyst: blastocyst transfer
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  • noun

Synonyms for blastocyst

the blastula of a placental mammal in which some differentiation of cells has occurred

References in periodicals archive ?
Embryos that reached the blastocyst stage were assessed using Gardner's score based on the degree of expansion, intracellular mass (ICM) and trophectoderm (TE).
"We previously used blastocyst complementation to generate rat pancreas in apancreatic mutant mice," said lead author Teppei Goto.
Corresponding author of the study, Masumi Hirabayashi said that their study confirms that interspecific blastocyst complementation is a viable method for kidney generation.
Current IVF practices support the transfer of a single fresh blastocyst as the method most likely to achieve a healthy pregnancy and safe delivery, since it facilitates pregnancy rates comparable to those that can be achieved via double fresh-embryo transfer, but does not necessarily incur the risks associated with a multiple pregnancy, for example, premature birth.[1],[2] Establishing criteria to select blastocysts that exhibit optimal development potential is essential for successful IVF therapy.[3]
However, supplementation of the FF to the in vitro maturation media can lead to changes in mRNA abundance, influencing gene expression not only in the oocytes but also in the blastocyst stages (Watson et al., 2000; Young et al., 2001; Lonergan et al., 2003; Wrenzycki et al., 2005; Cruz et al., 2014).
Percentages of zygotes developed to morula and blastocyst stages were evaluated on days 5 and 8, respectively.
The SYBER Green PCR kit (Qiagen, Germany) was used to extract RNA from all 80 vitrified and non-vitrified 2-cell and blastocyst embryos.
Three months later the patient underwent a frozen IVF cycle, involving the transfer of two blastocyst stage (Day 5) embryos.
In this study, we analyzed the characteristics of the PDMS cured under low pressure and examined whether bovine embryos could develop to blastocyst in a MW plate made of PDMS.
As a fertilized egg develops into a blastocyst, it produces cells that will form the embryo and two other types of cell that will develop into the placenta or the yolk sac.
Extended cultivation until the blastocyst stage somewhat contributes to increased implantation rates, but it has been proven that aneuploid embryos can reach high-quality blastocyst stage as well as euploid embryos [7, 8].
Penzias and fellow committee members reviewed national data from 2013 that showed similar pregnancy rates for women aged 42 years and younger who received a single euploid blastocyst or two untested blastocysts.
Lipids are important sources of energy in all embryonic stages occurred before the blastocyst stage, where triglycerides are the main lipids synthesized in the cytoplasm of the bovine oocyte and embryo [12, 28].