Screening programme for prevention of Down's syndrome.
D000029:Abortion, Legal; D000293:Adolescent; D000328:Adult; D000649:Amniocentesis; D003365:Costs and Cost Analysis; D004314:Down Syndrome / Q000453:epidemiology / Q000517:prevention & control*; D005260:Female; D005315:Fetal Diseases / Q000175:diagnosis; D005865:Gestational Age; D006280:Health Workforce; D006801:Humans; D007621:Karyotyping; D008403:Mass Screening; D008423:Maternal Age; D008875:Middle Aged; D009030:Mosaicism; D009519:New York City; D010641:Phenotype; D011247:Pregnancy; D037841:Pregnant People; D011296:Prenatal Diagnosis; D018570:Risk Assessment; D014314:Trisomy