The prenatal diagnosis of chromosome anomalies.
D000328:Adult; D000653:Amniotic Fluid; D002478:Cells, Cultured; D002648:Child; D002869:Chromosome Aberrations / Q000175:diagnosis*; D025063:Chromosome Disorders; D005260:Female; D006801:Humans; D007621:Karyotyping; D008297:Male; D011296:Prenatal Diagnosis; D014314:Trisomy