Genetic counselling: the one-in-four risk of a rare disease.
D000015:Abnormalities, Multiple / Q000235:genetics*; D005260:Female; D006580:Genetic Carrier Screening; D005817:Genetic Counseling; D006579:Heterozygote; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D010375:Pedigree; D011247:Pregnancy; D013577:Syndrome