Not exact matches
Our Virginia fertility center only performs
embryo transfers five days after egg retrieval at the
blastocyst stage, which results in a significantly higher rate than a Day 3
embryo transfer.
Blastocyst transfer is a procedure allowing the
transfer of fewer
embryos into the uterus while maintaining high pregnancy rates and reducing the risk of high order multiple pregnancy (triplets and greater).
This means
transferring only a single
embryo (usually a
blastocyst).
We are striving very hard to limit the number of twins, and eliminate the occurrence of higher order multiples (see below) using techniques such as
embryo selection and
blastocyst transfers, and the introduction of «elective single
embryo transfer».
Of the 5,103
embryos frozen at the
blastocyst stage, 816 (16 percent of the total) were frozen on D7 and 53 of these were later
transferred to attempt pregnancy.
Also, it is recommended to use single
embryo transfer in all situations if a top - quality
blastocyst is available.
Most
embryo transfers at Pacific Fertility Center are done with
blastocyst stage
embryos.
Also critical:
blastocyst transfer [allowing
embryos to develop robustness in a lab for five days instead of the usual three before
transfer back into the uterus].
They found that some sperm DNA methylation regions were also associated with poor
blastocyst stage of
embryo quality as defined by the IVF clinic's standards related to
embryo quality before
transfer into the uterus of the female partner to establish a pregnancy, Pilsner says.
The patent gives California - based Geron Corp. exclusive rights to animal
embryos prepared by
transferring the nucleus of a quiescent diploid donor cell into a suitable recipient cell up to and including the
blastocyst stage.
Moreover, ability of this cohort of oocytes to support the development of parthenogenic or nuclear
transfer embryos to
blastocyst stage has not been assessed.
Approximately ten to fifteen iPS cells were injected into the cavity of each
blastocyst, all of which were kept in KSOM with amino acids until
embryo transfer.
Embryos that reached the
blastocyst stage were
transferred into the oviduct of Day 0.5 CD1 pseudopregnant females [16].
IVC in the presence of fetal calf serum (FCS) followed by
embryo transfer reduced by half the capacity of the resulting
blastocysts to implant in the uterus when compared to culture without FCS.