Genetic counselling and prenatal diagnosis.
D000293:Adolescent; D002869:Chromosome Aberrations / Q000175:diagnosis / Q000235:genetics; D025063:Chromosome Disorders; D005260:Female; D005817:Genetic Counseling; D006801:Humans; D010375:Pedigree; D011247:Pregnancy; D011296:Prenatal Diagnosis; D012306:Risk