Sentence Examples


  • Genetic testing for and detection of the fragile X mutation can be performed on the developing baby before birth through amniocentesis, chorionic villus sampling (CVS), and percutaneous umbilical blood sampling.
  • When a woman is already pregnant, tests can be performed on either the cells of the fetus (amniocentesis) or the placenta (chorionic villus sampling) to determine whether the baby will have Tay-Sachs disease.
  • Disorders other than celiac disease can cause a similar type of villus atrophy, especially in children under two years of age, so rechecking the intestine is especially important for very young children.
  • Chorionic villus sampling (CVS) is a procedure that allows for prenatal diagnosis during the first trimester (generally between ten and 12 weeks of gestation, during the embryonic stage of development).
  • For some forms of CAH, prenatal diagnosis is possible through chronic villus sampling in the first trimester and by measuring certain hormones in the amniotic fluid during the second trimester.