Trends in prenatal screening for and diagnosis of Down's syndrome: England and Wales, 1989-97.
Mutton
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D
National Down Syndrome Cytogenetic Register, Wolfson Institute of Preventive Medicine, Department of Environmental and Preventive Medicine, St Bartholomew's and Royal London Medical Colleges, London EC1M 6BQ. d.e.mutton@mds.qmw.ac.uk
Ide
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RG
Alberman
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E
D000328:Adult; D004314:Down Syndrome / Q000175:diagnosis* / Q000453:epidemiology; D004739:England / Q000453:epidemiology; D005260:Female; D005865:Gestational Age; D006801:Humans; D008403:Mass Screening / Q000706:statistics & numerical data*; D008423:Maternal Age; D011247:Pregnancy; D011296:Prenatal Diagnosis / Q000706:statistics & numerical data*; D014852:Wales / Q000453:epidemiology