Can decision analysis help us decide whether ultrasound screening for fetal anomalies is worth it?

Annals of the New York Academy of Sciences

Volumn 847, Issue , 1998, Pages 154-172

  Romano, Patrick S ^a,b   Waitzman, Norman J ^a,b  

^a UNIVERSITY OF CALIFORNIA   (United States)

^b UNIVERSITY OF UTAH   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

CESAREAN SECTION; CONFERENCE PAPER; DIAGNOSTIC ACCURACY; DIAGNOSTIC VALUE; FEMALE; FETUS ECHOGRAPHY; FETUS MALFORMATION; FETUS MORTALITY; HUMAN; INDUCED ABORTION; MEDICAL DECISION MAKING; PRENATAL SCREENING; SECOND TRIMESTER PREGNANCY; UNITED STATES;

EID: 0031872653     PISSN: 00778923     EISSN: None     Source Type: Book Series    
DOI: 10.1111/j.1749-6632.1998.tb08936.x     Document Type: Conference Paper

References (119)

1. CONSENSUS CONFERENCE. 1984. The use of diagnostic ultrasound imaging during pregnancy. JAMA 252:669-672.
2. SAARI-KEMPPAINEN, A., O. KARJALAINEN, P. YLOSTALO & O.P. HEINONEN. 1990. Ultrasound screening and perinatal mortality: Controlled trial of systematic one-stage screening in pregnancy. The Helsinki Ultrasound Trial. Lancet 336:387-391.
3. EWIGMAN, B.C., J.P. CRANE, F.D. FRIGOLETTO, M.L. LEFEVRE, R.P. BAIN, D. McNEixis & THE RADIUS STUDY GROUP. 1993. N. Engl. J. Med. 329:821-827.
4. SKUPSK.I, D.W., F.A. CHERVENAK & L.B. McCut-LOUOH. 1995. Routine obstetric ultrasound. Int. J. Gynecol. Obstet. 50:233-242.
5. BERKOWITZ, R.W. 1993. Should every pregnant woman undergo ultrasonography? (editorial). N. Engl. J. Med. 329:874-875.
6. ROMERO, R. 1993. Routine obstetric ultrasound (editorial). Ultrasound Obstet. Gynecol. 3:303-307.
7. U.S. PREVENTIVE SERVICES TASK. FORCE. 1996. Guide to Clinical Preventive Services, 2nd edit. Williams & Wilkins. Baltimore, MD.
8. AMERICAN COLLEGE OF OBSTETRICIANS AND GYNECOLOGISTS. 1993. Ultrasonography in pregnancy, Tech. Bull. no. 187. American College of Obstetricians and Gynecologists. Washington, DC.
9. CANADIAN TASK FORCE ON THE PERIODIC HEALTH EXAMINATION. 1992. Periodic health examination, 1992 update. 2. Routine prenatal ultrasound screening. CMAJ 147: 627-633.
10. DEVORE, G.R. 1994. The routine antenatal diagnostic imaging with ultrasound study: Another perspective. Obstet. Gynecol. 84:622-626.
11. GONCALVES, L.F. & R. ROMERO. 1993. A critical appraisal of the RADIUS study. Fetus 3(6): 7-18.
12. CHERVENAK, F.A. & L.B. MCCULLOUGH. 1992. Ethical issues in obstetric sonography. Clin. Obstet. Gynecol. 35:758-762.
13. SAARI-KEMPPAINEN, A., O. KARJALAINEN, P. YLOSTALO & O.P. HEINONEN. 1994. Fetal anomalies in a controlled one-stage ultrasound screening trial. A report from the Helsinki Ultrasound Trial. J. Perinat. Med. 22:279-289.
14. CRANE, J.P., M.L. LEFEVRE, R.C. WINBORN, J.K.. EVANS, B.G. EWIGMAN, R.P. BAIN, F.D. FRIGOLETTO, D. MCNELLIS, & THE RADIUS STUDY GROUP. 1994. A randomized trial of prenatal ultrasonographic screening: Impact on the detection, management, and outcome of anomalous fetuses. Am. J. Obstet. Gynecol. 171: 392-399.
15. WALDENSTROM, U., O. AXELSSON, S. NILSSON, G. EKLUND, O. FALL, S. LINDEBERG & Y. SJODIN. 1988. Effects of routine one-stage ultrasound screening in pregnancy: A randomised controlled trial. Lancet 2: 585-588.
16. BAKKETEIG, L.S., S.H. EIK-NES, G. JACOBSEN, M.K. ULSTEIN, C.J. BRODTKORB, P. BALSTAD, B.C. ERIKSEN & N.P. JORGENSEN. 1984. Randomised controlled trial of ultrasonographic screening in pregnancy. Lancet 2:207-211.
17. EWIGMAN, B., M. LEFEVRE & J. HESSER. 1990. A randomized trial of routine prenatal ultrasound. Obstet. Gynecol. 76:189-194.
18. EIK-NES, S.H., O. OKLAND, J.C. AURE & M. ULSTEIN. 1984. Ultrasound screening in pregnancy: A randomised controlled trial. Lancet 1: 1347.
19. EUROCAT WORKING GROUP. 1991. Prevalence of neural tube defects in 20 regions of Europe and the impact of prenatal diagnosis, 1980-1986. J. Epidemiol. Community Health 45:52-58.
20. KASSIRER, J.P., A.J. MOSKOWITZ, J. LAU & S.G. PAUKER. 1987. Decision analysis: A progress report. Ann. Intern. Med. 106:275-291.
21. PAUKER, S.P. & S.G. PAUKER. 1979. The amniocentesis decision: An explicit guide for parents. Birth Defects Orig. Artic. Ser. 15:289-324.
22. PAUKER, S.P. & S.G. PAUKER. 1977. Prenatal diagnosis: A directive approach to genetic counseling using decision analysis. Yale J. Biol. Med. 50:275-289.
23. HECKERLING, P.S. & M.S. VERP. 1991. Amniocentesis or chorionic villus sampling for prenatal genetic testing: A decision analysis. J. Clin. Epidemiol. 44:657-670.
24. HECKERLING, P.S., M.S. VERP & T.A. HADRO. 1994. Preferences of pregnant women for amniocentesis or chorionic villus sampling for prenatal testing: Comparison of patients' choices and those of a decision-analytic model. J. Clin. Epidemiol. 47:1215-1228.
25. CAIRNS, J., P. SHACKLEY & V. HUNDLEY. 1996. Decision making with respect to diagnostic testing: A method of valuing the benefits of antenatal screening. Med. Decision Making 16: 161-168.
26. BUSKENS, E., E.W. STEYERBERG, J. HESS, J.W. WLADIMIROFF & D.E. GROBBEE. 1997. Routine prenatal screening for congenital heart disease: What can be expected? A decisionanalytic approach. Am. J. Public Health 87:962-967.
27. BERWICK, D.M. & M.C. WEINSTEIN. 1985. What do patients value? Willingness to pay for ultrasound in normal pregnancy. Med. Care 23: 881-893.
28. WAITZMAN, N.J., P.S. ROMANO & R.M. SCHEFFLER. 1994. Estimates of the economic costs of birth defects. Inquiry 31:188-205.
29. FROBERG, D.G. & R.L. KANE. 1989. Methodology for measuring health-state preferences. 2. Scaling methods. J. Clin. Epidemiol. 42:459-471.
30. TORRANCE, G.W. 1986. Measurement of health state utilities for economic appraisal. J. Health Econ. 5:1-30.
31. FURLONG, R.M. & R.B. BLACK. 1984. Pregnancy termination for genetic indications: The impact on families. Soc. Work Health Care 10:17-34.
32. KUPPERMANN, M., S. SHIBOSKI, D. FEENY, E.P. ELKIN & A.E. WASHINGTON. 1997. Can preference scores for discrete states be used to derive preference scores for an entire path of events? An application to prenatal diagnosis. Med. Decision Making 17:42-55.
33. KUPPERMANN, M., D. FEENY, E. GATES, S.F. POSNER, B. BLUMBERG & A.E. WASHINGTON. 1996. Preferences of women facing a prenatal diagnostic choice: Implications for genetic testing guidelines. 1996 Annual Meeting Abstracts. Society for Medical Decision Making.
34. WAITZMAN, N.J., R.M. SCHEFFLER & P.S. ROMANO. 1996. The Cost of Birth Defects. Estimates of the Value of Prevention. University Press of America. Lanham, MD.
35. LIPSCOMB, J. 1986. Human Capital, Willingness-To-Pay, and Cost-Effectiveness Analyses of Screening for Birth Defects in North Carolina. Duke University. Durham, NC.
36. LUTHY, D.A., T. WARDINSK.Y, D.B. SHURTLEFF, K.A. HOLLENBACH, D.E. HICKOK, D.A. NYBERG & T.J. BENEDETTI. 1991. Cesarean section before the onset of labor and subsequent motor function in infants with meningomyelocele diagnosed antenatally. N. Engl. J. Med. 324: 662-666.
37. SANDERS, R.C. 1990. Prenatal ultrasonic detection of anomalies with a lethal or disastrous outcome. Radiol. Clin. North Am. 28:163-177.
38. PAUKER, S.P. & S.G. PAUKER. 1987. The amniocentesis decision: Ten years of decision analytic experience. Birth Defects Orig. Artic. Sen 23: 151-169.
39. WHITE-VAN MOURIK, M.C.A., J.M. CONNOR & M.A. FERGUSON-SMITH. 1992. The psychosocial sequelae of a second-trimester termination of pregnancy for fetal abnormality. Prenatal Diagn. 12: 189-204.
40. LLOYD, J. & K.M. LAURENCE. 1985. Sequelae and support after termination of pregnancy for fetal malformation. Br. Med. J. 290:907-909.
41. SPRANCA, M., E. MINK & J. BARON. 1991. Omission and commission in judgment and choice. J. Exp. Soc. Psychol. 27:76-105.
42. LORENZEN, J. & W. HOLZGREVE. 1995. Helping parents to grieve after second trimester termination of pregnancy for fetopathic reasons. Fetal Diagn. Ther. 10: 147-156.
43. SALVESEN, K.A., L. OYEN, N. SCHMIDT, U.F. MALT & S.H. EIK-NES. 1997. Comparison of long-term psychological responses of women after pregnancy termination due to fetal anomalies and after perinatal loss. Ultrasound Obstet. Gynecol. 9: 80-85.
44. ZEANAH, C.H., J.V. DAILEY, M.J. ROSENBLATT & D.N. SALLER. 1993. Do women grieve after terminating pregnancies because of fetal anomalies? A controlled investigation. Obstet. Gynecol. 82:270-275.
45. LILFORD, R.J., P. STRATTON, S. GODSIL & A. PRASAD. 1994. A randomised trial of routine versus selective counselling in perinatal bereavement from congenital disease. Br. J. Obstet. Gynecol. 101:291-296.
46. DONALDSON, C., P. SHACKLEY, M. ABDALLA & Z. MIEDZYBRODZKA. 1995. Willingness to pay for antenatal carrier screening for cystic fibrosis. Health Econ. 4:439-452.
47. LANGER, M., M. RINGLER & E. REINOLD. 1988. Psychological effects of ultrasound examinations: Changes in body perception and child image in pregnancy. J. Psychosom. Obstet. Gynecol. 8:199-208.
48. ZLOTOGORSKI, Z., O. TADMOR, E. DUNIEC, R. RABINOWITZ & Y. DIAMANT. 1996. The effect of the amount of feedback on anxiety levels during ultrasound scanning. J. Clin. Ultrasound 24:21-24.
49. MICHELACCI, L., G.A. FAVA, S. GRANDI, L. BOVICELLI, C. ORLANDI & G. TROMBINI. 1988. Psychological reactions to ultrasound examination during pregnancy. Psychother. Psychosom. 50:1-4.
50. HUNFELD, J.A.M., G. AGTERBERG, J.W. WLADIMIROFF & J. PASSCHIER. 1996. Quality of life and anxiety in pregnancies after late pregnancy loss: A case-control study. Prenatal Diagn. 16:783-790.
51. HUNTER, M.S., M.M. TSOI, M. PEARCE, P. CHUDLEIGH & S. CAMPBELL. 1987. Ultrasound scanning in women with raised serum alpha fetoprotein: Long-term psychological effects. J. Psychosom. Obstet. Gynecol. 6:25-31.
52. BAR-HAVA, I., M. BRONSHTEIN, R. ORVIETO, Y. SHALEV, S. STAL & Z. BEN-RAFAEL. 1997. Caution: Prenatal clubfoot can be both a transient and a late-onset phenomenon. Prenatal Diagn. 17:457-460.
53. ANGIER, N. 1996. Ultrasound and fury: One mother's ordeal. New York Times. Nov. 26, 1996: B7, B10.
54. MARTEAU, T.M., R. COOK, J. KIDD, S. MICHIE, M. JOHNSTON, J. SLACK & R.W. SHAW. 1992. The psychological effects of false-positive results in prenatal screening for fetal abnormality: A prospective study. Prenatal Diagn. 12:205-214.
55. BURTON, B.K., R. G. DILLARD & E.N. CLARK. 1985. The psychological impact of false positive elevations of maternal serum alpha-fetoprotein. Am. J. Obstet. Gynecol. 151: 7782.
56. NATIONAL CENTER FOR HEALTH STATISTICS. 1996. Vital Statistics of the United States, 1991. Vol. 2. Mortality, part A. Public Health Service. Washington, DC.
57. NATIONAL CENTER FOR HEALTH STATISTICS. 1995. Vital Statistics of the United States, 1992. Vol. 1. Natality. Public Health Service. Washington, DC.
58. McNEiL, T.F. 1997. Anomalies and the mental health professional. Ann. N.Y. Acad. Sei. This volume.
59. FRANCOME, C. & W. SAVAGE. 1993. Caesarean section in Britain and the United States 12% or 24%: Is either the right rate? Soc. Sci. & Med. 37:1199-1218.
60. LILFORD, R.J., H.A. VAN COEVERDEN DE GROOT, P.J. MOORE & P. BINGHAM. 1990. The relative risks of caesarean section (intrapartum and elective) and vaginal delivery: A detailed analysis to exclude the effects of medical disorders and other acute pre-existing physiological disturbances. Br. J. Obstet. Gynecol. 97: 883-892.
61. JOFFE, M., J. CHAPPLE, C. PATERSON & R.W. BEARD. 1994. What is the optimal cesarean section rate? An outcome based study of existing variation. J. Epidemiol. Community Health 48:406-411.
62. DiMATTEo, M.R., S.C. MORTON, H.S. LEPPER, T.M. DAMUSH, M.F. CARNEY, M. PEARSON & K.L. KAHN. 1996. Cesarean childbirth and psychosocial outcomes: A meta-analysis. Health Psychol. 15:303-314.
63. GREEN, J.M., V.A. COUPLAND & J.V. KITZINGER. 1988. Great Expectations: A Prospective Study of Women's Expectations and Experiences of Childbirth. University of Cambridge, Childcare and Developmental Group. Cambridge, England.
64. GAREL, M., N. LELONG, A. MARCHAND & M. KAMINSKI. 1990. Psychosocial consequences of caesarean childbirth: A four-year follow-up study. Early Hum. Dev. 21:105-114.
65. COCHRANE, D.D., S.T. MYLES, C. NIMROD, D.K. STILL, R.G. SUGARMAN & B.K. WITTMANN. 1985. Intrauterine hydrocephalus and ventriculomegaly: Associated anomalies and fetal outcome. Can. J. Neurol. Sci. 12:51-59.
66. CHERVENAK, F.A., R.L. BERKOWITZ, M. TORTORA & J.C. HOBBINS. 1985. The management of fetal hydrocephalus. Am. J. Obstet. Gynecol. 151:933-942.
67. VINTZILEOS, A.M., W.A. CAMPBELL, P.J. WEINBAUM & D.J. NOCHIMSON. 1987. Perinatal management and outcome of fetal ventriculomegaly. Obstet. Gynecol. 69:5-11.
68. CLICK, P.L., M.R. HARRISON, D.K. NAKAYAMA, M.S.B. EDWARDS, R.A. FILLY, D.H. CHINN, P.W. CALLEN, S.L. WILSON & M.S. GOLBUS. 1984. Management of ventriculomegaly in the fetus. J. Pediatr. 105:97-105.
69. SAKALA, E.P., L.N. ERHARD & J.J. WHITE. 1993. Elective cesarean section improves outcomes of neonates with gastroschisis. Am. J. Obstet. Gynecol. 169:1050-1053.
70. HADDOCK, G, C.F. DAVIS & P.A. RAINE. 1996. Gastroschisis in the decade of prenatal diagnosis: 1983-1993. Eur. J. Pediatr. Surg. 6:18-22.
71. ADRA, A.M., H.J. LANDY, J. NAHMIAS & O. GOMEZ-MARIN. 1996. The fetus with gastroschisis: Impact of route of delivery and prenatal ultrasonography. Am. J. Obstet. Gynecol. 174: 540-546.
72. SERMER, M., R.J. BENZIE, L. PITSON, M. CARR & M. SKIDMORE. 1987. Prenatal diagnosis and management of congenital defects of the anterior abdominal wall. Am. J. Obstet. Gynecol. 156:308-312.
73. LEWIS, D.F., C.V. TOWERS, T.J. GARITE, D.N. JACKSON, M.P. NAGEOTTE & C.A. MAJOR. 1990. Fetal gastroschisis and omphalocele: Is cesarean section the best mode of delivery? Am. J. Obstet. Gynecol. 163:773-775.
74. SIPES, S.L., C.P. WEINER, D.R. SIPES 2d, S.S. GRANT & R.A. WILLIAMSON. 1990. Gas-troschisis and omphalocele: Does either antenatal diagnosis or route of delivery make a difference in perinatal outcome? Obstet. Gynecol. 76:195-199.
75. LENKE, R.R. & E.I. HATCH, JR. 1986. Fetal gastroschisis: A preliminary report advocating the use of cesarean section. Obstet. Gynecol. 67: 395-398.
76. MORETTI, M., A. KHOURY, J. RODRIGUEZ, T. LOBE, D. SHAVER & B. SIBAI. 1990. The effect of mode of delivery on the perinatal outcome in fetuses with abdominal wall defects. Am. J. Obstet. Gynecol. 163:833-838.
77. MERCER, S., B. MERCER, M.E.G. D'ALTON & P. SOUCY. 1988. Gastroschisis: Ultrasonographic diagnosis, perinatal embryology, surgical and obstetric treatment and outcomes. Can. J. Surg. 31:25-26.
78. KIRK, E.P. & R.M. WAH. 1983. Obstetric management of the fetus with omphalocele or gastroschisis: A review and report of one hundred twelve cases. Am. J. Obstet. Gynecol. 146:512-518.
79. SWIFT, R.I., M.P. SINOH, D.A. ZIDERMAN, M. SILVERMAN, M.A. ELDER & M.G. ELDER. 1992. A new regime in the management of gastroschisis. J. Pediatr. Surg. 27:61-63.
80. BETHEL, C.A.I., J.H. SEASHORE & R.J. TOULOUKIAN. 1989. Cesarean section does not improve outcome in gastroschisis. J. Pediatr. Surg. 24: 1-4.
81. MORROW, R.J., M.J. WHITTLE, M.B. McNAY, P.A.M. RAINE, A.A.M. GIBSON & J. CROSSLEY. 1993. Prenatal diagnosis and management of anterior abdominal wall defects in the west of Scotland. Prenatal Diagn. 13:111-115.
82. CHESCHEIR, N.C., R.G. AZIZKHAN, J.W. SEEDS, S.R. LACEY & W.J. WATSON. 1991. Counseling and care for the pregnancy complicated by gastroschisis. Am. J. Perinatol. 8: 323-329.
83. BOND, S.J., M.R. HARRISON, R.A. FILLY, PAY CALLEN, R.A. ANDERSON & M.S. GOLBUS. 1988. Severity of intestinal damage in gastroschisis: Correlation with prenatal sonographic findings. J. Pediatr. Surg. 23:520-525.
84. NOVOTNY, D.A., R.L. KLEIN & C.R. BOECKMAN. 1993. Gastroschisis: An 18-year review. J. Pediatr. Surg. 28:650-652.
85. QUIRK, J.G., JR., J. FORTNEY, H.B. COLLINS II, J. WEST, S.J. HASSAD & C. WAGNER. 1996. Outcomes of nevvborns with gastroschisis: The effects of mode of delivery, site of delivery, and interval from birth to surgery. Am. J. Obstet. Gynecol. 174:1134-1138.
86. STRINGER, M.D., R.J. BRERETON & V.M. WRIGHT. 1991. Controversies in the management of gastroschisis: A study of 40 patients. Arch. Dis. Child. 66:34-36.
87. COUGHLIN, J.P., D.E.M. DRUCKER, M.R. JEWELL, M.J. EVANS & M.D. KLEIN. 1993. Delivery room repair of gastroschisis. Surgery 114:822-827.
88. DILLON, E. & M. RENWICK. 1995. The antenatal diagnosis and management of abdominal wall defects: The Northern Region experience. Clin. Radiol. 50:855-859.
89. STOODLEY, N., A. SHARMA, H. NOBLETT & D. JAMES. 1993. Influence of place of delivery on outcome in babies with gastroschisis. Arch. Dis. Child. 68: 321-323.
90. CHANG, A.C., J.C. HUHTA, G.Y. YOON, D.C. WOOD, G. TULZER, A. COHEN, M. MENNUTI & W.I. NORWOOD. 1991. Diagnosis, transport, and outcome in fetuses with left ventricular outflow tract obstruction. J. Thorac. Cardiovasc. Surg. 102:841-848.
91. SHARLAND, G.K., S.M. LOCKHART, A.J. REWARD & L.D. ALLAN. 1992. Prognosis in fetal diaphragmatic hernia. Am. J. Obstet. Gynecol. 166:9-13.
92. ROMERO, R., A. GHIDINI, K. COSTIGAN, R. TOULOUKIAN & J.C. HOBBINS. 1988. Prenatal diagnosis of duodenal atresia: Does it make any difference? Obstet. Gynecol. 71:739-741.
93. NORWOOD, W.I., A.R. DOBELL, M.D. FREED, J.W. KIRKLIN, E.H. BLACKSTONE, AND THE CONGENITAL SURGEONS HEART SOCIETY. 1988. Intermediate results of the arterial switch repair. A 20-institution study. J. Thorac. Cardiovasc. Surg. 96:854-863.
94. HANNAN, E.L., M. RACZ, R.E. KAVEY, J.M. QUAEGEBEUR & R. WILLIAMS. Pediatrie cardiac surgery: The effect of hospital and surgeon volume on in-hospital mortality. Pediatrics. In press.
95. JENKINS, K.J., J. W. NEWBURGER, J.E. LOCK, R.B. DAVIS, O.A. COFFMAN & L.I. IEZZONI. 1995. In-hospital mortality for surgical repair of congenital heart defects: Preliminary observations of variation by hospital caseload. Pediatrics 95:323-330.
96. MOONEY, G. & M. LANGE. 1993. Ante-natal screening: What constitutes "benefit"? Soc. Sei. & Med. 37: 873-878.
97. FEENY, D.H. & G.W. TORRANCE. 1989. Incorporating utility-based quality-of-life assessment measures in clinical trials. Two examples. Med. Care 27: S190-204.
98. LAURENCE, K.M. & J. MORRIS. 1981. The effect of the introduction of prenatal diagnosis on the reproductive history of women at increased risk from neural tube defects. Prenatal Diagn. 1:51-60.
99. LUCK, C.A. 1992. Value of routine ultrasound scanning at 19 weeks: A four year study of 8849 deliveries. Br. Med. J. 304: 1474-1478.
100. CIIITTV, L.S., G.H. HUNT, J. MOORE & M.O. LOBB. 1991. Effectiveness of routine ultrasonography in detecting fetal structural abnormalities in a low risk population. Br. Med. 1303:1165-1169.
101. LEVI, S., J.P. SCHNAPPS, P. DEHAVAY, R. COULON & P. DEFOORT. 1995. End-result of routine ultrasound screening for congenital anomalies: The Belgian Multicentric Study 1984-92. Ultrasound Obstet. Gynecol. 5: 366-371.
102. BROCKS, V. & J. BANG. 1991. Routine examination by ultrasound for the detection of fetal malformations in a low risk population. Fetal Diagn. Then 6:37-45.
103. SHIRLEY, I.M., F. BOTTOMLEY & V.P. ROBINSON. 1992. Routine radiographer screening for fetal abnormalities by ultrasound in an unselected low risk population. Br. J. Radiol. 65: 564-569.
104. ANDERSON, N., O. BOSWELL & G. DUFF. 1995. Prenatal sonography for the detection of fetal anomalies: Results of a prospective study and comparison with prior series. Am. J. Roentgenol. 165:943-950.
105. CARRERA, J.M., M. TORRENTS, C. MORTERA, V. Cusi & A. MUNOZ. 1995. Routine prenatal ultrasound screening for fetal abnormalities: 22 years' experience. Ultrasound Obstet. Gynecol. 5:174-179.
106. VELIE, E.M. & G.M. SHAW. 1996. Impact of prenatal diagnosis and elective termination on prevalence and risk estimates of neural tube defects in California, 1989-1991. Am. J. Epidemiol. 144:473-479.
107. CRAOAN, J.D., H.E. ROBERTS, L.D. EDMONDS, M.J. KIIOURY, R.S. KIRBY, G.M. SHAW, E.M. VELIE, R.D. MERZ, M.B. FORRESTER, R.A. WILLIAMSON, et al. 1995. Surveillance for anencephaly and spina bifida and the impact of prenatal diagnosis-United States, 1985-1994. MMWR CDC Surveillance Summaries 44(4): 1-13.
108. STOLL, C, B. DOTT, Y. ALEMBIK & M.P. ROTH. 1995. Evaluation of routine prenatal diagnosis by a registry of congenital anomalies. Prenatal Diagn. 15: 791-800.
109. PAPP, Z., E. TOTH-PAL, C. PAPP, Z. TOTH, M. SZABO, L. VERESS & O. TOROK. 1995. Impact of prenatal mid-trimester screening on the prevalence of fetal structural anomalies: A prospective epidemiological study. Ultrasound Obstet. Gynecol. 6: 320-326.
110. PRYDE, P.O., N.B. ISADA, M. HALLAK, M.P. JOHNSON, A.E. ODGERS & M.I. EVANS. 1992. Determinants of parental decision to abort or continue after non-aneuploid ultrasounddetected fetal abnormalities. Obstet. Gynecol. 80: 52-56.
111. MONTANA, E., M. J. KHOURY, J. D. CRAGAN, S. SHARMA, P. DHAR & D. FYFE. 1996. Trends and outcomes after prenatal diagnosis of congenital cardiac malformations by echocardiography in a well-defined birth population, Atlanta, Georgia, 1990-1994. J. Am. Coll. Cardiol.28: 1805-1809.
112. LE-HA, C, D.H. STONE & W.H. GILMOUR. 1995. Impact of prenatal screening and diagnosis on the epidemiology of structural congenital anomalies. J. Med. Screening 2: 6770.
113. ALLAN, L.D., O.K. SHARLAND, A. MILBURN, S.M. LOCKHART, A.M.M. GROVES, R.H. ANDERSON, A.C. COOK & N.L.K. FAGG. 1994. Prospective diagnosis of 1,006 consecutive cases of congenital heart disease in the fetus. J. Am. Coll. Cardiol. 23:1452-1458.
114. VENTURA, S.J., J.A. MARTIN, S.C. CURTIN & T.J. MATHEWS. 1997. Report of final natality statistics, 1995. Monthly Vital Statistics Rep. 45(Supp. 2): 2.
115. MCCULLOUGH, D.C. & L.A. BALZER-MARTIN. 1982. Current prognosis in overt neonatal hydrocephalus. J. Neurosurg. 57:378-383.
116. MERZ, E., F. BAHLMANN & G. WEBER. 1995. Volume scanning in the evaluation of fetal malformations: A new dimension in prenatal diagnosis. Ultrasound Obstet. Gynecol. 5:222-227.
117. LEIVO, T., R. TUOMINEN, A. SAARI-KEMPPAINEN, P. YLOSTALO P, O. KARJALAINEN & O.P. HEINONEN. 1996. Cost-effectiveness of one-stage ultrasound screening in pregnancy: A report from the Helsinki ultrasound trial. Ultrasound Obstet. Gynecol. 7: 309-314.
118. BUECHLER, E.J. 1997. Managed care and ultrasound for the diagnosis of fetal anomalies. Ann. N.Y. Acad. Sci. This volume.
119. JULIAN-REYNIER, C., N. PHILIP, C. SCHEINER, Y. AURRAN, F. CHABAL, A. MARON, A. GOMBERT & S. AYME. 1994. Impact of prenatal diagnosis by ultrasound on the prevalence of congenital anomalies at birth in southern France. J. Epidemiol. Community Health 48:290-296.