Avoiding serious birth defects by prenatal diagnosis: current effect on birth incidence.
D000029:Abortion, Legal; D000328:Adult; D000367:Age Factors; D000757:Anencephaly / Q000453:epidemiology; D002869:Chromosome Aberrations / Q000453:epidemiology; D025063:Chromosome Disorders; D000013:Congenital Abnormalities / Q000453:epidemiology*; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008661:Metabolism, Inborn Errors / Q000453:epidemiology; D008875:Middle Aged; D011247:Pregnancy; D011296:Prenatal Diagnosis; D016136:Spina Bifida Occulta / Q000453:epidemiology