Chorionic Villus Sampling CVS: What It Is, Benefits & Risks

cvs pregnancy test

If you’re at high risk of having a baby with a genetic condition, talk to your healthcare provider. They can help you decide if CVS testing is right for you. Both CVS testing and amniocentesis these details are types of prenatal diagnostic testing. But providers perform them at different points during the pregnancy. CVS testing happens earlier in the pregnancy than amniocentesis.

Sharing your concerns with your partner or a trusted family member or friend may help. Thinking about these risks can be worrying, and there’s no way to get rid of them completely. But choosing a testing center with a good safety record and waiting until right after your 10th week can look at this reduce the chances of complications as much as possible. We believe you should always know the source of the information you’re reading. Learn more about our editorial and medical review policies. You may experience some slight cramping and light spotting for a few hours after CVS.

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Amniocentesis can detect certain things that CVS can’t, including neural tube defects like spina bifida, birth defects, and Rh incompatibility. Possible risks, like miscarriage, are slightly higher for CVS, and the procedure is slightly more painful. Your provider sends the sample of chorionic villi to a lab. Specialists in the lab grow the cells in a fluid and test them a few days later. You typically get some preliminary results within a few days. But certain rare conditions take longer to test for.

They’re formed from the fertilized egg, so they usually have the same genes as the fetus. The discomfort can range from very mild to moderate, and some evidence suggests the transcervical procedure is less uncomfortable than the transabdominal one. Some women experience cramping (similar to menstrual cramps) when the sample is taken.

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Still, CVS testing isn’t for everyone and it does come with some small risks. Here’s what you can expect if you’re considering the procedure, plus what you can learn from the results. If a transabdominal procedure was performed, check the bandaged needle site on your abdomen for any bleeding or drainage of fluid. Your healthcare provider can talk to you about your risk and recommend one of these tests, both of them or neither. CVS testing takes a small sample of cells from the placenta, the organ that forms during pregnancy to deliver nourishment to the fetus.

It can also determine the sex of your baby, so speak up if you don’t want to know. In the case of most twins, you may need a separate procedure for each fetus. In rare cases, the provider may not have collected enough cells during the procedure. navigate here You may need a second one to get enough placental cells. CVS is generally considered to be safe and reliable. The procedure does carry a very small risk of miscarriage   about 0.2 percent compared to 0.1 to 0.3 percent for amniocentesis.

cvs pregnancy test

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Finally, keep in mind that in most cases the results of a CVS test come back completely normal. But no matter what the outcome, you and your doctor can take time to talk about what to do next. After your test, arrange for someone to drive you home if possible, and rest and relax for the rest of the day. You can typically go back to your usual routines the next day, but do discuss any concerns with your doctor. Both procedures take about 30 minutes from start to finish, though the actual withdrawal of cells takes no more than a minute or two. Use of this website and any information contained herein is governed by the Healthgrades User Agreement.

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