Chorionic villi sampling


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Related to Chorionic villi sampling: percutaneous umbilical blood sampling, nuchal translucency

Chorionic villi sampling

A procedure to remove a small tissue sample of the placenta, the sac that surrounds the developing fetus. This test can be performed as early as week 10 of the pregnancy. The tissue can be tested for genetic defects.
Mentioned in: Lipidoses
References in periodicals archive ?
In some instances, chorionic villi sampling may do more harm than good.
And of course, using chorionic villi sampling or amniocentesis to detect fetal abnormalities provides no benefit to the fetus.
Eng and her associates discovered that there was a 71% acceptance rate of CMA among couples in which the woman was undergoing amniocentesis or chorionic villi sampling (CVS).
Accidental introduction of organisms during a genetic amniocentesis or chorionic villi sampling is another plausible explanation, although outcomes did not differ in her amniocentesis study.
SAN Francisco -- Results of an international randomized trial suggest that chorionic villi sampling is safer and more efficient than early amniocentesis.