Embryo genetic screening controversial – and successful

January 11, 2010

A “slippery slope” to “a world of eugenics,” as bioethics authorities once worried, or a healthy life for a teenage girl? Once at the center of a science controversy, Molly Nash, 15, represents the human answer to the debate over a genetic screening technique, ” pre-implantation genetic diagnosis,” (PGD) that made headlines a decade ago. (USA TODAY)