Genetic counselling.
D000015:Abnormalities, Multiple / Q000235:genetics; D002170:Canada; D002869:Chromosome Aberrations / Q000235:genetics*; D025063:Chromosome Disorders; D005060:Europe; D005260:Female; D005817:Genetic Counseling; D030342:Genetic Diseases, Inborn / Q000453:epidemiology*; D006801:Humans; D008297:Male; D012306:Risk; D012729:Sex Chromosome Aberrations / Q000235:genetics