Is the embryo sacrosanct?: Faith in preimplantation genetic diagnosis
In 1989, scientists first used preimplantation genetic diagnosis (PGD) - a technique that merges IVF with genetic testing, enabling couples with increased risk of passing a genetic disorder onto their children to screen and select only unaffected embryos for implantation. PGD involves the removal of a single cell from three-day-old IVF...