pedigree
proband
consanguinity
dizygotic twins
monozygotic twins
concordance
genetic counseling
ultrasonography
amniocentesis
chorionic villus sampling (CVS)
karyotype
158
maternal blood screening test
noninvasive prenatal genetic diagnosis
fetal cell sorting
preimplantation genetic diagnosis (PGD)
newborn screening
presymptomatic genetic testing
heterozygote screening
direct-to-consumer genetic test
Genetic Information Nondiscrimination Act (GINA)