Current controversies in prenatal diagnosis 1: should noninvasive DNA testing be the standard screening test for Down syndrome in all pregnant women?

Mother Infant Research Institute Tufts Medical Center and the Departments of Pediatrics, Obstetrics and Gynecology, Tufts University School of Medicine, Boston, MA, USA Department of Obstetrics, Leiden University Medical Center, The Netherlands Department of Obstetrics and Gynecology, Inova Hospital, Alexandria, VA, USA *Correspondence to: Diana W. Bianchi. E-mail: [email protected] Presented at the 17 International Conference on Prenatal Diagnosis and Therapy, Lisbon, Portugal, on 3 June 2013. All authors contributed equally to this work.