Sentences with phrase «placental chorionic»

Not exact matches

As early as the first trimester, doctors can take a sample of placental tissue (chorionic villus sampling, or CVS) to detect whether a baby has the genes that would lead to sickle cell anemia or sickle cell trait.

Both amniocentesis and chorionic villus sampling (another invasive procedure that collects placental cells from within the womb) carry a 1 percent risk of miscarriage.

At the moment, prenatal diagnosis for a small number of genetic conditions is usually done from fetal cells that doctors capture from fluid in the womb (amniocentesis) or a snippet of placental tissue (chorionic villus sampling).