Genetic counselling.
D000032:Abortion, Therapeutic; D002869:Chromosome Aberrations; D025063:Chromosome Disorders; D005799:Genes, Dominant; D005808:Genes, Recessive; D005817:Genetic Counseling; D006801:Humans; D010821:Physicians, Family; D011296:Prenatal Diagnosis; D012730:Sex Chromosomes; D012737:Sex Factors; D012923:Social Class