Tag Archives: test

DNA test could boost IVF success rates without putting embryo at risk

A human embryo during the third day of its developmentJim Dyson/Getty Images By Clare Wilson TESTING DNA that is naturally discarded by embryos could safely reveal those produced using IVF that are most likely to lead to pregnancy. IVF doctors try to transfer only the healthiest embryos for pregnancy. DNA testing to identify such embryos is already available, but it has… Read More »

Blood test detects early Alzheimer’s

A simple blood test that detects signs of brain damage could be used to spot developing Alzheimer’s disease, say scientists. The test looks for a structural protein that leaks out of damaged or dying neurons. In a population of 247 people with a genetic mutation known to trigger young-onset Alzheimer’s, the test revealed higher than… Read More »