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 ?
The most important point about chorionic villi sampling or amniocentesis is the risk of Rh sensitization that it take that mother's Rh- and embryo's Rh+.
As for invasive testing, 34% said that they would consider undergoing chorionic villi sampling, while 43% said that they would consider having amniocentesis.
In the late 1980s and early 1990s, there was just a hint of concern in the medical and scientific communities about the safety of chorionic villi sampling.
In some instances, chorionic villi sampling may do more harm than good.
These statements can be misleading to couples contemplating the procedure," said O'Connor, a New York City lawyer who represents plaintiffs in chorionic villi sampling cases.
The hospital may be liable because it provides the equipment and the facility where the procedure took place, and it also employs the genetic counselor who was responsible for informing the parents of risks of chorionic villi sampling.