Benacerraf, B.R., Nadel, A., & Bromley, B. (1994). Identification of second-trimester fetuses with autosomal trisomy by use of a sonographic scoring index. Radiology, 193, 135-140.

Blakemore, K.J. (1988). Prenatal diagnosis by chorionic villus sampling. Obstetrics and Gynecology Clinics of North America, 15, 179-213.

Brown, D.L. (2000). Family history of congenital heart disease. In C.B. Benson, P.H. Arger, & E.I. Bluth (Eds.), Ultrasonography in obstetrics and gynecology: A practical approach (pp.155-166). New York: Thieme Medical Publishers.

Burton, B.K., Schultz, C.J., & Burd, L.I. (1992). Limb abnormalities associated with chorionic villus sampling. Obstetrics and Gynecology, 79, 726-730.

Crombleholme, T.M. (1994). Invasive fetal therapy: Current status and future directions. Seminars in Perinatology, 18, 385-397.

D’Alton, M.E., & DeCherney, A.H. (1993). Prenatal diagnosis. New England Journal of Medicine, 328, 114-119.

Delisle, M., & Wilson, R.D. (1999). First trimester prenatal diagnosis. Seminars in Perinatology, 23, 414-423.

Desposito, F., Cuniff, C., Frias, J.L., et al. (1999). Folic acid for the prevention of neural tube defects. Pediatrics, 104, 325-327.

Goldberg, J.D., Porter, A.E., & Golbus, M.S. (1990). Current assessment of fetal losses as a direct consequence of chorionic villus sampling. American Journal of Medical Genetics, 35, 174-177.

Haddow, J.E., Palomaki, G.E., Knight, G.J., et al. (1992). Prenatal screening for Down’s syndrome with use of maternal serum markers. New England Journal of Medicine, 327, 588-593.

Hickock, D.E., & Mills, M. (1992). Percutaneous umbilical blood sampling: Results from a multicenter collaborative registry. American Journal of Obstetrics and Gynecology, 166, 1614-1617.

Hook, E.B. (1981). Rates of chromosomal abnormalities at different maternal ages. Obstetrics and Gynecology, 58, 282-285.

Hubbard, A.M., Crombleholme, T.M., & Adzick, N.S. (1998). Prenatal evaluation of giant neck masses in preparation for the fetal EXIT procedure. American Journal of Perinatology, 15, 253-257.

Jenkins, T.M., & Wapner, R.J. (1999). First trimester prenatal diagnosis: Chorionic villus sampling. Seminars in Perinatology, 223, 403-413.

Johnson, D.D., Pretorius, D.H., Budorick, N.E., et al. (2000). Fetal lip and primary palate: Three-dimensional versus two-dimensional US. Radiology, 217, 236-239.

Kathary, N., Bulas, D.I., Newman, K.D., et al. (2001). MRI imaging and fetal neck masses with airway compromise: Utility in delivery planning. Pediatric Radiology, 31, 727- 731.

Kitano, Y., Flake, A.W., Crombleholme, T.M., et al. (1999). Open fetal surgery for life threatening fetal malformations. Seminars in Perinatology, 223, 448-461.

Krantz, D.A., Larsen, J.W., Buchanan, P.D., et al. (1996). First-trimester Down syndrome screening: Free-human chorionic gonadotropin and pregnancy-associated plasma protein A. American Journal of Obstetrics and Gynecology, 174, 612-616.

Levine, D., Barnes, P.D., Madsen, J.R., et al. (1997). Fetal central nervous system anomalies: MR imaging augments sonographic diagnosis. Radiology, 204, 635-642.

Levine, D., Barnes, P.D., Sher, S., et al. (1998). Fetal fast MR imaging: Reproducibility, technical quality, and conspicuity of anatomy. Radiology, 206, 549-554.

Milunsky, A. (1998). Maternal serum screening for neural tube defects. In A. Milunsky (Ed.), Genetic disorders and the fetus: Diagnosis, prevention, and treatment (4th ed., pp. 507-511). Baltimore: The Johns Hopkins University Press.

Munne, S., Sepulveda, S., Balmaceda, J., et al. (2000). Selection of the most common chromosomal abnormalities in oocytes prior to ICSI. Prenatal Diagnosis, 20, 582-586.

Nyberg, D.A., Mahoney, B.S., & Pretorius, D.H. (Eds.). (1990). Diagnostic ultrasound of fetal anomalies: Text and atlas. St. Louis: Mosby.

Olutoye, O.O., & Adzick, N.S. (1999). Fetal surgery for myelomeningocele. Seminars in Perinatology, 23, 462-473.

Orlandi, F., Damaini, G., Hallahan, T.W., et al. (1997). First trimester screening for fetal aneuploidy: Biochemistry and nuchal translucency. Ultrasound in Obstetrics and Gynecology, 10, 381-386.

Palermo, G.D., Schlegel, P.N., Sills, E.S., et al. (1998). Births after intracytoplasmic injection of sperm obtained by testicular extraction from men with nonmosaic Klinefelter’s syndrome. New England Journal of Medicine, 338, 588-590.

Pauer, H.U., Hinney, B., Michelmann, H.W., et al. (1997). Relevance of genetic counseling in couples prior to intracytoplasmic sperm injection. Human Reproduction, 12, 1909-1912.

Quinn, T.M., Hubbard, A.M., & Adzick, N.S. (1998). Prenatal magnetic resonance imaging enhances fetal diagnosis. Journal of Pediatric Surgery, 33, 553-558.

Raudrant, D., Touraine, J.L., & Rebaud, A. (1992). In utero transplantation of stem cells in humans: Technical aspects and clinical experience during pregnancy. Bone Marrow Transplantation, 9(Suppl. 1), 98-100.

Rose, N.C., & Mennutti, M.T. (1993). Alpha-fetoprotein and neural tube defects. In J.J. Sciarra & P.V. Dilts, Jr. (Eds.), Gynecology and obstetrics (Rev. ed., pp. 1-14). New York: HarperCollins.

Schrock, E., Veldman, T., Padilla-Nash, H., et al. (1997). Spectral karyotyping refines cytogenetic diagnostics of constitutional chromosomal abnormalities. Human Genetics, 101, 255-262.

Seashore, M.R. (1999). Clinical genetics. In B.N. Burrow & T.P. Duffy (Eds.), Medical complications during pregnancy (5th ed., pp. 197-223). Philadelphia: W.B. Saunders.

Smith-Bindman, R., Hosmer, W., Feldstein, V.A., et al. (2001). Second-trimester ultrasound to detect fetuses with Down syndrome. Journal of the American Medical Association, 285, 1044-1055.

Strom, C.M., Levin, R., Strom, S., et al. (2000). Neonatal outcome of preimplantation genetic diagnosis by polar body removal: The first 109 infants. Pediatrics, 106, 650-653.

Taipale, P., Hiilesmaa, V., Salonen, R., et al. (1997). Increased nuchal translucency as a marker for fetal chromosome defects. New England Journal of Medicine, 337, 1654-1658.

Thompson, M.W., McInnes, R.R., & Willard, H.F. (Eds.). (1991). Thompson & Thompson genetics in medicine (5th ed.). Philadelphia: W.B. Saunders.

Touraine, J.L., Raudrant, D., Rebaud, A., et al. (1992). In utero transplantation of stem cells in humans: Immunological aspects and clinical follow-up of patients. Bone Marrow Transplantation, 9(Suppl. 1), 121-126.

Tulipan, N., Bruner, J.P., Hernanz-Schulman, M., et al. (1999). Effect of intrauterine myelomeningocele repair on central nervous system structure and function. Pediatric Neurosurgery, 31, 183-188.

Waller, D.K., Lustig, L.S., Cunningham, G.C., et al. (1991). Second-trimester maternal serum alpha-fetoprotein levels and the risk of subsequent fetal death. New England Journal of Medicine, 325, 6-10.

Waller, D.K., Lustig, L.S., Cunningham, G.C., et al. (1996). The association between maternal serum alpha-fetoprotein and preterm birth, small for gestational age infants, preeclampsia and placental complications. Obstetrics and Gynecology, 88, 816-822.

Ward, B.E., Gersen, S.L., Carelli, M.P., et al. (1993). Rapid prenatal diagnosis of chromosomal aneuploidies by fluorescence in situ hybridization: Clinical experience with 4, 500 specimens. American Journal of Medical Genetics, 52, 854-865.

Wilson, R.D. (2000). Amniocentesis and chorionic villus sampling. Current Opinion in Obstetrics and Gynecology, 12, 81-86.

Wilson, R.D., Johnson, J.M., Dansereau, J., et al. (1998). Randomized trial to assess safety and fetal outcome of early and midtrimester amniocentesis. Lancet, 351, 242- 247.