embryo transfer

(redirected from Single embryo transfer)
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em·bry·o trans·'fer

after in vitro artificial insemination, the embryo is transferred at the morula or blastocyst stage to the recipient's uterus or uterine tube.

embryo transfer

1. The process in which an egg that has been fertilized in vitro is transferred into a recipient's uterus.
2. A technique used in animal breeding in which an embryo from a superovulated female animal is transferred to the uterus of a recipient female animal. In both senses also called embryo transplant.

embryo transfer

a process of implanting a fertilized ovum in a uterus.


a new organism in the earliest stage of development, i.e. from the time that the fertilized embryo begins to develop a long axis up to the time that the major structures have begun to develop, when it becomes a fetus.

embryo collection
collection of an embryo from the genital tract for the purposes of embryo transfer; surgical and nonsurgical techniques available.
embryo cryopreservation
preservation of embryos by freezing.
hexacanth embryo
the larva with six hooks present in the cestode egg when it escapes from the uterus of the adult tapeworm. Called also oncosphere.
embryo micromanipulation
handling of an embryo under a microscope, for examination, dissection.
embryo transfer
collection of fertilized ova from one female before they become implanted and transfer to another female to complete the gestation. The donor is usually superovulated and then inseminated. Collection may be surgical via a laparotomy or nonsurgical by flushing through the cervix. Collected embryos must be stored carefully. They are evaluated in terms of fertilization, possibly cleaved artificially to create clones, and washed to eliminate the possibility of transferring infection with the embryo. Long-term storage by freezing is a practicable procedure. The recipient needs to be in appropriate stage of uterine receptivity, effected by synchronizing the estrus cycle with that of the donor.
embryo transplant
see embryo transfer (above).
References in periodicals archive ?
Dr Marco Gaudoin, study author and Medical Director of the Glasgow Centre for Reproductive Medicine, said "The recent data not only show that the Eeva(TM) Test results in an increased clinical pregnancy rate, but also that applying the procedure more broadly may help clinicians who are practicing single embryo transfer in aiming to reduce multiple pregnancies.
CCRM's ultimate goal is to help our patients accomplish a single embryo transfer resulting in one healthy baby born," says William Schoolcraft, M.
While some individuals might be willing to undergo multiple cycles of IVF if the province is paying for these services, others might seek multiple implantations outside of the province because of the lowered success rates of single embryo transfer.
Perceived barriers to elective single embryo transfer among IVF professionals: a national survey.
Barad, "The Relative Myth of Elective Single Embryo Transfer," Human Reproduction 21 (2006): 1337-44, at 1340.
studies, researchers at the meeting also presented a study on pregnancy and twinning rates in Sweden, where legislation mandating single embryo transfer has been in place since January 2003, with exceptions allowing the transfer of two embryos only when the risk of twins is considered low.
Reproductive Medicine Associates of New Jersey underscores the need for more acceptance and financial coverage of single embryo transfer during the 71st Annual ASRM Conference
In patients over 34, PGS led to 43% of RAD's successful IVF pregnancies, and over 90% of these pregnancies occurred after single embryo transfer.
With this new technology, clinics now have objective criteria with which to identify the embryo with a higher chance of implanting allowing more successful single embryo transfer cycles.
Routine comprehensive chromosomal screening so improves implantation rates that it makes single embryo transfer a realistic and highly cost-efficient procedure for couples undergoing in vitro fertilization, according to Dr.
9) The best solution here would be single embryo transfer in patients under thirty-five, backed by repeated transfer of single frozen embryos if a fresh cycle fails to produce a pregnancy.
DR Gillian Lockwood, director of Midland Fertility Services, says: "I'm very aware of the risks associated with twin pregnancies and do support single embryo transfer for safety reasons.

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