Sentences with phrase «number of embryos»

Another key measure to look for is the average number of embryos transferred.

After all, a very large number of embryos die of natural causes in their first month without our ever knowing about them, much less grieving for them.

The study analysed fertility outcomes such as number of eggs retrieved, number fertilised, number of embryos created, implantation rate and live birth rate, which was the main outcome measure in the study.

Our low number of embryos transferred has resulted in a low number of high - order multiple pregnancies, so that we have not had a high order multiple pregnancy among more than 1000 IVF pregnancies achieved since mid-2010.

This increased from 25.7 % in 2008 to 30 % in 2010, while the average number of embryos transferred fell from 2.1 to 1.9 and the rates of twin and triplet births also fell.

The appropriate number of embryos to be transferred depends on the age of the woman, whether it is the first, second or third full IVF cycle attempt and whether there are top - quality embryos available.

3 An aliquot contains a sufficient number of embryos (in one or more vials and based on the transfer success rate of the MMRRC facility) to transfer to at least two recipients.

We work with highly successful fertility clinics; it's rare for a surrogate not to become pregnant during the agreed - upon number of embryo transfers.

«We can now generate extremely large numbers of these embryos and study them in detail,» lead researcher Dr. Nicolas Rivron told the BBC.

This, however, depends on the number of embryos you have placed in the embryo.

The new recommendations limit the number of embryos transferred to just two embryos.

In vitro fertilization (IVF) should be performed with an eye toward limiting the number of embryos transferred according to the age of the mother and the quality of the embryos.

When deciding on the number of embryos to recommend for transfer, we carefully weigh all factors with the goal of offering each patient the highest chance of pregnancy with the lowest possible risk of a high - order multiple gestation (we have this discussion again at the time of embryo transfer).

The contract specifies the number of embryo transfer attempts to be completed and the number of embryos to be transferred during each attempt.

During the screening and interview process, we talk with you about the IVF process and the standard protocol for embryo transfer, and we learn your comfort level regarding the number of embryos.

The number of embryos to be transferred is predetermined in your surrogacy agreement.

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

Selecting high quality embryos, those with the highest pregnancy potential, can reduce the numbers of embryos transferred, avoiding miscarriage, increasing pregnancy rates, and improving the health of children born after IVF.

Medical practitioners are doing this by limiting the number of embryos per embryo transfer to one or two.

According to a guideline from The National Institute for Health and Care Excellence (NICE) in 2013, the number of embryos transferred in a cycle should be chosen as in following table: [30]

A later diagnosis of multiple pregnancy happens only in two cases: when a women does all tests later, at the 4 - 5th month, either if the first survey was conducted too early and the number of embryos could not be determined properly.

If you're pregnant as a result of a fertility treatment such as Clomid, gonadotropins, or in vitro fertilization (IVF), you'll probably have an ultrasound within the first eight weeks to count the number of embryos that have implanted.

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 AP's story says the judge also rejected the argument that the guidelines would reduce the number of embryos available for adoption.

The HFEA licenses clinics and regulates research: it limits the number of embryos implanted and prohibits sex selection for nonmedical reasons, but it is not always overly restrictive.

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

This will allow easy preimplantation genetic diagnosis on a large number of embryos — or easy genome modification for those who want edited embryos instead of just selected ones.»

While multiple births from IVF are a direct result of the number of embryos that are fertilized and intentionally implanted, non-IVF therapies involve medications that stimulate ovulation and follicle growth in ways that can not be precisely predicted or controlled.

The purchase or sale of human eggs would be prohibited, and universities would have to report the number of embryos they use.

Research from Belgium has shown that if governments legislate to restrict the numbers of embryos transferred during fertility treatment, but combine it with a policy of reimbursing six cycles of assisted reproduction technology (ART), there is no detrimental impact on pregnancy and delivery rates.

Dr Karen Peeraer, adjunct head of clinic at Leuven University Fertility Center, Leuven, Belgium, who led the research, said: «Our study is the first to calculate the cumulative delivery rate in a real - life scenario for up to six cycles or 36 months over a period of three years before and after the implementation of the Belgian legislation limiting the number of embryos transferred.

The researchers say that governments worldwide should aim to follow a similar policy of coupling ART reimbursement with a reduction in the numbers of embryos transferred.

She hopes CRISPR will reduce the number of embryos required for her research, she said at the press conference; in several organisms, CRISPR has been shown to have higher efficiency compared with other approaches.

Perhaps future regulation could limit the number of embryos created, as well as what traits a couple could select for, said I. Glenn Cohen, a Harvard law professor.

The location of the pregnancy The number of embryos in.