The role of chromosome analysis in practice.
D000015:Abnormalities, Multiple / Q000175:diagnosis; D000649:Amniocentesis; D002869:Chromosome Aberrations / Q000175:diagnosis*; D025063:Chromosome Disorders; D000013:Congenital Abnormalities / Q000517:prevention & control; D003376:Counseling; D006801:Humans; D007621:Karyotyping; D012729:Sex Chromosome Aberrations / Q000175:diagnosis