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.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

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
Medical Dictionary, © 2009 Farlex and Partners
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References in periodicals archive ?
In summary, the overall blastocyst quality, and the TE and ICM grades were shown by the present study to be closely and positively associated with patient pregnancy outcomes during single euploid blastocyst transfer cycles.
Overall Blastocyst Quality, Trophectoderm Grade, and Inner Cell Mass Grade Predict Pregnancy Outcome in Euploid Blastocyst Transfer Cycles
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.
Ectopic pregnancy rates with cleavage stage embryo transfer at day 3 versus blastocyst stage transfer at day 5: a prospective analysis
Single blastocyst transfer (SBT), widely used in Europe, guarantees a reduction in multiple births, the biggest problem facing fertility specialists worldwide.
One-blastocyst transfer as successful as two: results of two U.S. studies showed no reduction in pregnancy rates with single-embryo transfer
"We feel strongly that single blastocyst transfer is the way to go," said Marius Meintjes, Ph.D., scientific director of assisted reproductive technology services at Presbyterian Hospital of Dallas.
One-blastocyst transfer as successful as two
Multiple gestations in assisted reproductive technology: can they be avoided with blastocyst transfers? Am J Obstet Gynecol 184:1471-1477.
Off to a good start: the influence of pre- and periconceptional exposures, parental fertility, and nutrition on children's health
"The chance of pregnancy increases from 12 to 15 per cent using current techniques to 25 to 30 per cent of women who use blastocyst transfer," said Dr Steward.
New technique offers fresh hope to childless
Trophectoderm morphology: an important parameter for predicting live birth after single blastocyst transfer. Hum Reprod.
Assessment of the embryo quality in the procedure of in vitro fertilization/Procena kvaliteta embriona u postupku in vitro fertilizacije
Comparison of blastocyst transfer with and without preimplantation genetic diagnosis for aneuploidy screening in couples with advanced maternal age: a prospective randomized controlled trial.
A literature review of PGS calls its introduction "premature"
(2) Before the mid-1990s, low production and accompanying low viability of blastocysts during human IVF due to the inability of any single culture medium to meet and sustain the changing nutritional requirements of preimplantation embryos resulted in blastocyst transfer being abandoned.
A study of two sequential culture media--impact on embryo quality and pregnancy rates
Influence of BMI on risk of miscarriage after single blastocyst transfer. Hum Reprod 2011;26:2642-50.
The effect of the pooling method on the live birth rate in poor ovarian responders according to the Bologna criteria/Bologna kriterlerine uyan zayif cevapli kadinlarda havuz yonteminin gebelik sonuclarina etkisi
(2012) assessed 2150 blastocyst transfer cycles which illustrated more pregnancy rate in frozen-thawed group, because of hormonal stimulation as the factor reduces embryo acceptance capacity of endometrium, (11) and also, Chunjuan et al.
Comparison of Outcomes of IVF Cycles Between Transferred Frozen Thawed Embryos and Fresh Embryos by a 2 Year Survey
Single blastocyst transfer: a prospective randomized trial.
Development and achievements of assisted reproductive technology/ razvoj i dostignuca asistirane reproduktivne tehnologije

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