Sentences with phrase «of embryo implantation»

«There's a feeling between scientists that a lot of conditions, such as recurrent miscarriage and pre-eclampsia, are caused by the very earliest stages of embryo implantation and that process not happening correctly.»

When the outcome of the treatment was cross-checked against the BMI of the egg recipient, results showed that the rates of embryo implantation, pregnancy, twin pregnancy and live birth were all significantly reduced as BMI increased.

Similarly, the rate of embryo implantation in the uterus was 40.4 % in the lean underweight, 39.9 % in the normal weight, 38.5 % in the overweight, and 30.9 % in the obese.

The researchers say that possible mechanisms for the role played by vitamin D in pregnancy may be that it affects the success of embryo implantation in the womb in some way or that it is indication of the general well - being of the women.

Not exact matches

Some believe that certain methods prevent implantation of an embryo, and others object to all artificial birth control.

The pill uses the body's negative feedback system to prevent ovulation and implantation of an embryo, in the same way the hormones provided by the placenta halt the female cycle during pregnancy.»

The court reasoned that the treaty's drafters were actually concerned only to protect life from the moment of implantation, and that the human embryo is not a person under the American Convention because it is not a person under certain treaties elsewhere in the world.

If there is a problem in the genetic makeup of your sperm or eggs, assistive reproductive technologies, such as screening the embryo before implantation, can help you achieve a viable pregnancy.

The overall pattern may be that the better uterine environment in frozen embryo cycles is more receptive and not only increases the chance of an embryo implanting, but also improves the quality of implantation resulting in better fetal growth.

He was also instrumental in developing techniques for post thaw extended culture (PTEC) following fertilized oocyte cryopreservation demonstrating the importance of embryo - endometrial synchrony for implantation, for which he received another research award.

An agreed - upon number of embryos are placed in your uterus for implantation.

Comprehensive Chromosome Screening (CCS) is a new way of selecting high quality embryos, with high implantation and pregnancy rates.

We do not know why in the very early stages of pregnancy still occur spotting, although speculation on this subject exist and they concern the process of implantation of the embryo in the uterus, as well as the action of hormones.

In fact, healthy D7 embryos had implantation abilities that were comparable to those of D5 and D6 embryos — and produced 22 ongoing pregnancies, 4 percent of the total number.

«There is only one day in the cycle when the uterus is receptive to the embryo, the Window of Implantation.

Hughes ran into conflict with the university and his former sponsor, the National Institutes of Health (NIH), over his efforts to diagnose genetic diseases — such as Tay - Sachs disease and cystic fibrosis — in test - tube embryos scheduled for implantation (Science, 24 January, p. 472).

There should be a complete ban on the implantation of a human embryo created by the application of cloning technology into a womb, or any treatment of such a human embryo intended to result in its development into a viable infant.

Wells measured an implantation rate of 66 per cent of all CGH embryos transferred, compared with 28 per cent in unscreened embryos, and a birth rate so far of 80 per cent compared with 60 per cent in unscreened embryos.

The researchers have found a way to record the earliest stages of an embryo's growth and have filmed for the first time ever, the moment of implantation, opening new possibilities for improved methods of IVF treatment and regenerative medicine.

The researchers saw the same U-shaped dose - response pattern in the number of embryos implanted in the uterus, leading them to speculate that the herbicide mix interferes with hormones controlling implantation.

The number of embryos that survive and die before implantation remains unknown.

But the summit's organizers concluded that actually trying to produce a human pregnancy from such modified germ cells or embryos, either through in vitro fertilization (IVF) with the sperm or eggs or the implantation of an embryo, is currently «irresponsible» because of ongoing safety concerns and a lack of societal consensus.

An analysis of almost 10,000 first cycles of egg donation treatment at one of Europe's largest IVF centres shows that female obesity reduces the receptivity of the uterus to embryo implantation and thereby compromises reproductive outcome.

The proportion of triplets or more related to medical assistance has actually dropped from a peak of 84 percent in 1998 after in vitro fertilization (IVF) guidelines discouraging implantation of three or more embryos took effect that year, the study reports.

«It is at the point of implantation that the stem cells go through this change and «mature», which is also a highly critical time for the embryo,» says Dr Lanner.

Some bioethicists have called for a new international ban that would clearly prohibit the implantation of a human clone in part because of the tantalizing research uses for nascent embryos.

The critics want the bill to ban the «pre-selection» of embryos before implantation and to ban the selection of sperm donors on any grounds other than the risk of passing on serious illnesses.

On average, compared to women with lower concentrations of these metabolites, women with higher concentrations had a 10 % reduced probability of successful fertilization, 31 % reduced probability of implantation of the embryo, and a 41 % and 38 % decrease in clinical pregnancy (fetal heartbeat confirmed by ultrasound) and live birth.

Although the animals mate in the spring, they undergo «delayed implantation» — the embryo remains in a state of arrested development in the mother's uterus until it attaches and resumes growth.

Opponents said that the measure should have banned somatic cell nuclear transfer; it criminalized only the «implantation» of an embryo into a woman to create a human clone.

Various procedures are currently available to detect genetic defects in embryos prior to implantation, but these approaches are often invasive, requiring the removal of cells from the growing embryo, and do not simultaneously detect both chromosomal abnormalities and DNA sequence variations associated with genetic disorders.

When they compared the results to the Mouse Genomic Informatics Knockout database they found 123 genes that corresponded with functional annotation of abnormal extraembryonic tissue morphology, 121 associated with embryonic lethality, and 14 with abnormal embryo implantation.

So this language in effect means alterations of embryonic cells can not be done in the United States if there is any intent to treat a human being, including implantation of an altered embryo into a woman's uterus.

As a result of these findings, clinicians and embryologists can more quickly identify the healthiest embryo for implantation and reduce the amount of time an embryo is cultured in the laboratory prior to transfer.

The ability to diagnose and exclude embryos with verified genetic abnormalities prior to implantation and actual initiation of a pregnancy offers at - risk patients a way to prevent passing on inheritable genetic diseases before implantation.

In the latter line of research line factors responsible for successful implantation of the embryo are studied.

A new technique that allows embryos to develop in vitro beyond the implantation stage (when the embryo would normally implant into the womb) has been developed by scientists at the University of Cambridge allowing them to analyse for the first time key stages of human embryo development up to 13 days after fertilisation.

The mouse lines housing area comprises 10 rooms of 60 m2 and 2 rooms of 45 m2, in biosafety level BSL1, and 2 experimental rooms in biosafety level BSL2 (embryo implantation).

Peter Braude, emeritus professor of obstetrics and gynecology at King's College London, said in a statement that the research «is about better understanding nature, not changing embryos for implantation.»

Research focuses on pre-implantation embryo development, the onset of uterine receptivity, the regulation of implantation and decidualization and the causes of endometriosis.

- How to create mutant mice with our engineering service (theorical) and with our micro injection service (see ES cells injections, implantation of embryos in mice through surgical procedures, selection of chimeras...)

A new technique developed by a team of researchers affiliated with a number of facilities in China allows medical practitioners involved in in - vitro fertilization (IVF) treatment to more easily weed out embryos with genetic defects prior to fertilization and implantation of a zygote into a host uterus.

Indeed, the preliminary ruling in the Roche case directly addressed the issue of informed consent, and hinged on whether Mr. Roche had given consent for the future implantation of any non-transferred embryos [75].

Generation, isolation and implantation of mouse embryos into pseudopregnant females / Service Request form.

Implantation of fresh or previously frozen embryos into pseudopregnant females / Service Request form.

The increased rates are a sign of sperm damage, and they've been associated with a more difficult time with embryo formation and implantation during in vitro fertilization treatment.

Dr. Richard Paulson, a fertility doctor with USC Fertility in Los Angeles explains how the hormones estrogen and progesterone can prepare the uterine lining for implantation of an embryo, even in women who have had ovarian failure or in menopause.

And early embryo division and implantation requires lots of energy.

This has a significant impact on fertility, as the rate of division and successful implantation of embryos has more to do with how much energy (ATP) than with maternal age per se.

Used on the day of the transfer AFTER the transfer to increase the success rate of implantation of the embryo by increasing circulation and hormonal support.