Test to pick out viable embryos

A new test checks the chemical "fingerprint" of the fluid which surrounds IVF embryos to identify those most likely to implant successfully. The US developers told a European fertility conference it may improve IVF pregnancy rates by up to 15%. Selecting the embryo most likely to result in a successful pregnancy is the "Holy Grail" of fertility research. But clinics currently have to select which to use by assessing embryos under a microscope. With the move to single embryo transfer, selecting the right embryo will become even more important Dr Denny Sakkas Yale University Choosing the right embryo from the eight to 10 candidates usually available is key because if there is any damage, or it has not developed properly, the chances of a successful pregnancy are reduced. It is also increasingly important as IVF doctors move... [read full story]