Explore the latest advancements in prenatal genetic screening and diagnosis with Dr. Jane Chueh, Clinical Professor of Obstetrics & Gynecology at Stanford University. Delve into various screening methods, including amniocentesis, chorionic villus sampling, and non-invasive prenatal testing (NIPT). Understand the risks, benefits, and accuracy of different screening techniques, such as first trimester screening, quad marker screening, and cell-free fetal DNA analysis. Examine the ethical considerations and decision-making processes involved in prenatal testing, including the use of chromosomal microarray analysis (CMA) and its potential to replace traditional karyotyping. Gain insights into professional society recommendations and the evolving landscape of prenatal genetic screening as of 2013.