N. Wald, H. Watt, and A. Hackshaw, Integrated Screening for Down's Syndrome Based on Tests Performed during the First and Second Trimesters, New England Journal of Medicine, vol.341, issue.7, pp.461-467, 1999.
DOI : 10.1056/NEJM199908123410701

R. Gilbert, C. Augood, and R. Gupta, Screening for Down's syndrome: effects, safety, and cost effectiveness of first and second trimester strategies Commentary: Results may not be widely applicable Authors' response, BMJ, vol.323, issue.7310, pp.423-425, 2001.
DOI : 10.1136/bmj.323.7310.423

T. Cheffins, A. Chan, and E. Haan, The impact of maternal serum screening on the birth prevalence of Down's syndrome and the use of amniocentesis and chorionic villus sampling in South Australia, BJOG: An International Journal of Obstetrics and Gynaecology, vol.327, issue.12, pp.1453-1459, 2000.
DOI : 10.1016/0140-6736(92)93293-V

T. Marteau, Towards informed decisions about prenatal testing: A review, Prenatal Diagnosis, vol.311, issue.13, pp.1215-1226, 1995.
DOI : 10.1002/pd.1970151304

S. Ayme, N. Morichon, J. Goujard, and I. Nisand, Prenatal diagnosis in France, European Journal of Human Genetics, vol.5, issue.1, pp.26-31, 1997.

D. Vigan, C. Vodovar, V. Verite, V. Dehe, S. Goujard et al., Current french practices for prenatal diagnosis of trisomy 21: a population-based study in Paris, 1992-97, Prenatal Diagnosis, vol.297, issue.12, pp.1113-1118, 1999.
DOI : 10.1002/(SICI)1097-0223(199912)19:12<1113::AID-PD715>3.0.CO;2-5

V. Seror, N. Costet, and S. Ayme, Prenatal screening for trisomy 21 with maternal serum markers: information for decision-making in pregnant women], J Gynecol Obstet Biol Reprod (Paris), vol.29, issue.5, pp.492-500, 2000.

J. Halliday, J. Lumley, and L. Watson, Comparison of women who do and do not have amniocentesis or chorionic villus sampling, The Lancet, vol.345, issue.8951, pp.704-709, 1995.
DOI : 10.1016/S0140-6736(95)90872-2

J. Halliday, R. Warren, and G. Mcdonald, Prenatal diagnosis for women aged 37 years and over: to have or not to have, Prenatal Diagnosis, vol.14, issue.10, pp.842-847, 2001.
DOI : 10.1002/pd.153

J. Moatti, L. Gales, C. Julian, and C. , Socio-cultural inequities in access to prenatal diagnosis: The role of insurance coverage and regulatory policies, Prenatal Diagnosis, vol.26, issue.5, pp.313-325, 1990.
DOI : 10.1002/pd.1970100507

C. Julian-reynier, G. Macquart-moulin, and J. Moatti, Reasons for women's non-uptake of amniocentesis, Prenatal Diagnosis, vol.11, issue.9, pp.859-864, 1994.
DOI : 10.1002/pd.1970140915

M. Kuppermann, E. Gates, and A. Washington, Racial-ethnic differences in prenatal diagnostic test use and outcomes: Preferences, socioeconomics, or patient knowledge?, Obstetrics & Gynecology, vol.87, issue.5, pp.675-682, 1996.
DOI : 10.1016/0029-7844(96)00017-8

J. Bishop, C. Huether, C. Torfs, F. Lorey, and J. Deddens, Epidemiologic Study of Down Syndrome in a Racially Diverse California Population, 1989-1991, American Journal of Epidemiology, vol.145, issue.2, pp.134-147, 1997.
DOI : 10.1093/oxfordjournals.aje.a009084

B. Khoshnood, P. Pryde, and S. Wall, Ethnic differences in the impact of advanced maternal age on birth prevalence of Down syndrome, Am J Public Health, vol.90, issue.1411, pp.1778-1781, 2000.

B. Blondel, J. Norton, . Du-mazaubrun, and G. Bréart, pour la coordination nationale des enquêtes nationales périnatales. [Trends in main indicators of perinatal health in France between 1995 and 1998. Results from the National Perinatal Surveys], J Gynecol Obstet Biol Reprod (Paris), vol.30, issue.16, pp.552-564, 2001.

A. Asch, Prenatal Diagnosis and Selective Abortion: A Challenge to Practice and Policy, Obstetrical & Gynecological Survey, vol.55, issue.6
DOI : 10.1097/00006254-200006000-00012

V. Seror and S. Ayme, Information disclosure when screening for trisomy 21: a decisionmaking aid for pregnant women?], J Gynecol Obstet Biol Reprod (Paris), vol.30, issue.20 1, pp.80-84, 2001.

G. Becker, A Treatise on the Family., Population and Development Review, vol.18, issue.3, 1991.
DOI : 10.2307/1973663

P. Mcquide and T. Delvaux, Prenatal Care Incentives in Europe, Journal of Public Health Policy, vol.19, issue.3, pp.331-349, 1998.
DOI : 10.2307/3343540

P. Buekens, M. Kotelchuck, and B. Blondel, A comparison of prenatal care use in the 20

D. Vigan, C. Vodovar, V. Goujard, and J. , Mother's knowledge of screening for trisomy 21 in 1999: a survey in Paris maternity units, European Journal of Obstetrics and Gynecology