What types of prenatal testing are available aside from amniocentesis?
chorionic villus sampling is used most commonly to identify chromosomal problems such as Down syndrome. It can detect other genetic diseases like cystic fibrosis, Tay-Sachs disease and sickle cell disease in at-risk fetuses.
This is the quick test also called cordocentesis, fetal blood sampling, or umbilical vein sampling and examines fetal blood directly from the umbilical cord. It's used to detect disorders in the fetus.
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