Performing the tests and confirming the diagnosis provides you with certain opportunities: Pursue potential interventions that may exist i. Want to Know More? Can I get pregnant if…? Share this post:. Share on facebook Facebook. Share on twitter Twitter.
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Facebook-f Twitter Instagram. If you need to deliver the baby early, this information can offer reassurance that your baby is ready for birth. Mayo Clinic does not endorse companies or products. Advertising revenue supports our not-for-profit mission. This content does not have an English version. This content does not have an Arabic version. Sections for Amniocentesis About. Overview Amniocentesis Open pop-up dialog box Close.
Amniocentesis Amniocentesis is a prenatal test. Request an Appointment at Mayo Clinic. Share on: Facebook Twitter. Show references Ghidini A, et al. Diagnostic amniocentesis. Accessed Oct. Cunningham FG, et al. Prenatal diagnosis. In: Williams Obstetrics. New York, N. Find out more about the results of amniocentesis.
Before you decide to have amniocentesis, the risks and possible complications will be discussed with you. One of the main risks associated with amniocentesis is miscarriage , which is the loss of the pregnancy in the first 23 weeks.
There are also some other risks, such as infection or needing to have the procedure again because it was not possible to accurately test the first sample. The risk of amniocentesis causing complications is higher if it's carried out before the 15th week of pregnancy, which is why the test is only done after this point.
Find out more about the possible complications of amniocentesis. An alternative to amniocentesis is a test called chorionic villus sampling CVS. This is where a small sample of cells from the placenta, the organ that links the mother's blood supply with her unborn baby's, is removed for testing. It's usually carried out between the 11th and 14th weeks of pregnancy, although it can be performed later than this if necessary. With CVS, the risk of miscarriage is similar to the risk of miscarriage for amniocentesis up to 1 out of every If you're offered tests to look for a genetic or chromosomal condition in your baby, a specialist involved in carrying out the test will be able to discuss the different options with you and help you make a decision.
The results are almost always correct. It's different from a screening test. Prenatal screenings tests pose no risk to you or your baby, but they don't provide a definite diagnosis. They can only show if your baby might have a health problem. If your screening tests were not normal, your provider may recommend an amniocentesis or other diagnostic test. The test may also be used to check your baby's lung development.
Checking lung development is important if you are at risk for giving birth early premature delivery. You may want this test if you are at higher risk for having a baby with a health problem. Risk factors include:. Your provider may also recommend this test if any of your prenatal screening tests were not normal. The test is usually done between the 15th and 20th week of pregnancy.
It is sometimes done later in pregnancy to check the baby's lung development or diagnose certain infections. Depending on the stage of your pregnancy, you may be asked to keep a full bladder or to empty your bladder right before the procedure. In early pregnancy, a full bladder helps move the uterus into a better position for the test. In later pregnancy, an empty bladder helps make sure the uterus is well positioned for testing.
The procedure does have a slight risk less than 1 percent of causing a miscarriage. A genetic counselor is a specially trained professional in genetics and genetic testing.
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