Chorionic villus sampling is a prenatal diagnostic test performed for prenatal genetic testing involving a biopsy of placental tissue between 10 to 13 weeks gestation. The tissue harvested is the ...

This new strategy has been carried out in 131 pregnant women at risk for a fetus with an X-linked genetic disease (Table 1), after they received genetic counseling and gave written informed consent.

Three months into her pregnancy, the woman in my office worried that her fetus might have Down syndrome. She wanted a definitive diagnosis, so I referred her to a doctor who inserted a 3 1/2-inch ...

Chorionic villus sampling (CVS) is a prenatal test used to detect birth defects, genetic diseases, and other problems during pregnancy. During the test, a small sample of cells (called chorionic villi ...