Reddy UM, Abuhamad Z, Levine D, et al: Fetal imaging: Executive summary of a joint Eunice Kennedy Shriver National Institute for Child Health and Human Development, Society for laternal-FetaloIedicine, American Institute for Ultrasound in Medicine, American College of Obstetricians and Gynecologists, American College of Radiology, Society for Pediatric Radiology, and Society of Radiologists in Ultrasound Fetal Imaging Workshop. Obstet GynecoIo123(5):1070, 2014
Reddy UM, Mennuti MT: Incorporating irst-trimester Down syndrome studies into prenatal screening: executive summary of the National Institute of Child Health and Human Development workshop. Obstet Gynecol 107(1):167,o2006 Reddy UM, Page GP, Saade GR, et al: Karyotype versus microarray testing for genetic abnormalities after stillbirth. N Engl J Med 367(23):2185, 20o12 Reichler A, Hume F Jr, Drugan A, et al: Risk of anomalies as a function of level of elevated maternal serum a-fetoprotein. Am J Obstet Gynecol 1 1(4):1052, 1994 Rund D, Rachmilewitz E: Beta-thalassemia. N Engl J Med 353(11): 1135, 2005
Sharma R, Stone S, Alzouebi A, et al: Perinatal outcome of prenatally diagnosed congenital talipes equinovarus. Prenat Diagn 31(2):142, 2011
Shulman LP, Elias S, Phillips OP, et al: Amniocentesis performed at 14 weeks' gestation or earlier: comparison with irst-trimester transabdominal chorionic villus sampling. Obstet Gynecol 83(4):543, 1994
Silver RK, MacGregor SN, Sholl JS, et al: An evaluation of the chorionic villus sampling learning curve. Am J Obstet Gynecol 163(3):917, 1990 Simpson LL, Malone FD, Bianchi DW, et al: Nuchal translucency and the risk of congenital heart disease. Obstet Gynecol 109(2 Pt 1):376,o2007
Smith-Bindman R, Hosmer W, Feldstein VA, et al: Second-trimester ultrasound to detect fetuses with Down syndrome. A meta-analysis. JAMA 285(8):1044,o2001
Society for Maternal-Fetal Medicine: Prenatal aneuploidy screening using cell-free DNA. SMFM Consult No. 36. Am J Obstet GynecoI212(6):711, 2015
Society for Maternal-Fetal Medicine, Berry SM, Stone J, et al: Fetal blood sampling. Am J Obstet GynecoI209(3):170, 2013
Solomon BD, Rosenbaum KN, Meck JM, et al: Holoprosencephaly due to numeric chromosome abnormalities. Am J Med Genet C Semin Med Genet 154C(1):146,o2010
Stevenson DA, Carey JC: Contribution of malformations and genetic disorders to mortality in a children's hospital. Am J Med Genet (Part A) 126(4):393, 2004
Sundberg K, Bang J, Smidt-Jensen S, et al: Randomised study of risk offetal loss related to early amniocentesis versus chorionic villus sampling. Lancet 350(9079):697, 1997