blastocyst transfer


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blastocyst transfer

A type of in vitro fertilisation consisting of the transfer of a blastocyte (the fertilised egg, which has divided a number of times) to the endometrium.

Pros
Greater chance of becoming pregnant than with 2–3-day embryo transfer.

Cons
May not result in any embryos at all; greater chance of twin gestation.

blastocyst transfer

An assisted reproduction technique in which a zygote created by in vitro fertilization is incubated in the laboratory to the pre-embryonic stage of the blastocyst before being placed in the uterus.
See also: transfer
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References in periodicals archive ?
Blastocyst transfer ameliorates live birth rate compared with cleavage-stage embryos transfer in fresh in vitro fertilization or intracytoplasmic sperm injection cycles: reviews and meta-analysis.
The literature contains 2 additional studies that incidentally report data allowing the computation of the ectopic pregnancy rate with blastocyst transfer without any information on day 3 transfers.
A day 3 transfer was performed when there were 3 or less good quality embryos available on this day; on the other hand a day 5 blastocyst transfer was performed when there were 4 or more good quality embryos on day 3.
Although these results represent a selected group of patients, we believe that they should serve as encouragement to patients and providers who are considering single blastocyst transfer in the older IVF population," Milki and his co-authors noted in the study, which was recently published online in the journal Fertility and Sterility.
David Gardner and his colleagues performed the world's first single blastocyst transfer trial to improve pregnancy rate and to reduce the risk of multiple gestation (100).
With blastocyst transfer, it is possible that results could be improved because cleavage-stage embryos are not introduced into the uterine cavity," Dr.
There's no reason why we can't use blastocyst transfer in donor cycles, where already the pregnancy rate is high, and these are embryos from young women," Giudice said.
Use of the natural cycle and vitrification thawed blastocyst transfer results in better in-vitro fertilization outcomes: cycle regimens of vitrification thawed blastocyst transfer.
Perinatal outcome of blastocyst transfer with vitrification using cryoloop: a 4-year follow-up study.