Word: embryos
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...Stanford University report that they may be able to make that decision easier. After analyzing the dozens of factors that fertility specialists consider when helping couples conceive, the Stanford researchers whittled down the list to the four most powerful predictors of an IVF pregnancy: the total number of embryos that a couple produces during a cycle, the number of embryos that survive to the eight-cell stage, the percentage of embryos that stop dividing and a woman's level of the follicle-stimulating hormone. What surprised the study's authors was that these measures appeared to be more relevant...
...affects the others in individual cases. For instance, doctors know that older women in general have a more difficult time conceiving. But Yao believes it should be possible to better predict whether a woman in her 40s will get pregnant through IVF based on the overall quality of the embryos she and her partner produce. Doctors already use their own algorithms for determining a couple's chances of having a baby, but Yao and her team are attempting to streamline and standardize the process. Ultimately, she believes, the embryo screen will be able to help couples who have already undergone...
This week, British members of Parliment and members of the Lords will gather for a second reading of a bill to allow genetically-modified (GM) embryos to be created for research purposes. This bill comes in the wake of the first successful creation of a GM human embryo at Cornell University, which took advantage of a lack of regulation on human cloning in New York State. More than a decade after the media spectacle surrounding Dolly the sheep, cloning seems to have fallen under the radar, while the legal environment surrounding it remains nebulous...
...GLENN COHEN Cohen, a specialist in bioethics, was an academic fellow at the Petrie-Flom Center for Health Policy, Biotechnology, and Bioethics at the Law School this year. He publishes on topics ranging from pediatric research ethics to end-of-life decision-making to pre-embryo disposition agreements. After graduating from the Law School in 2003—where he earned the Sears Prize for top grades in his first year—he served as an honors program attorney in the appellate staff of the U.S. Department of Justice, Civil Division between 2004 and 2006. BENJAMIN ROIN Roin...
Legislating Life Decisions In her essay, Nancy Gibbs posited that politicians will soon need to make firm decisions regarding reproductive technologies and embryonic stem cells [March 10]. But she cited the work of professors who argue that, as Gibbs put it, "the embryo is a whole, living member of the human species in its earliest stage of development, not just a potential one or a part of one." This leaves out one critical factor: a mother's uterus is needed to complete gestation. Until we recognize the mother as the vital, key component to creating new life, we will continue...