Medical care aspects of the prenatal diagnosis of chromosomal abnormalities.
D000328:Adult; D000367:Age Factors; D002869:Chromosome Aberrations / Q000175:diagnosis*; D025063:Chromosome Disorders; D004641:Emigration and Immigration; D004739:England; D005260:Female; D006801:Humans; D010298:Parity; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D011262:Pregnancy Trimester, Second; D011295:Prenatal Care; D011296:Prenatal Diagnosis; D012306:Risk; D012923:Social Class