Tests for amniotic fluid test strip4/7/2024 The risk may be higher in twin pregnancies. It’s usually carried out between the 11th and 14th weeks of pregnancy, although it can be performed later than this if necessary.Īround 1 in every 200 (0.5%) women who have a diagnostic test will miscarry as a result of the test. 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) are removed for testing. What are the alternatives?Īn alternative to amniocentesis is a test called chorionic villus sampling (CVS). Read more about the possible complications of amniocentesis. 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 carried out after this point. There are also some other risks, such as infection or needing to have the procedure again because it wasn’t possible to accurately test the first sample that was removed. One of the main risks associated with amniocentesis is miscarriage.Īround 1 in every 200 (0.5%) women who have a diagnostic test will miscarry as a result of the test. What are the risks of amniocentesis?īefore you decide to have amniocentesis, the risks and possible complications will be discussed with you. Read more about the results of amniocentesis. You may choose to continue with your pregnancy, while gathering information about the condition so you’re fully prepared, or you may consider ending your pregnancy ( abortion). If your test shows that your baby has a health condition or chromosomal condition, the implications will be fully discussed with you. If rarer conditions are also being tested for, it can take two to three weeks or more for the results to come back. The first results of the test should be available within three working days and this will tell you whether your baby has a health condition or chromosomal condition. Read more about what happens during amniocentesis. Some women describe experiencing a pain similar to period pain or feeling pressure when the needle is taken out. The test itself usually takes about 10 minutes, although the whole consultation may take about 30 minutes.Īmniocentesis is usually described as being uncomfortable rather than painful. The needle is passed into the amniotic sac that surrounds the foetus and a small sample of amniotic fluid is removed for analysis. How amniocentesis is performedĪmniocentesis is usually carried out between the 15th and 20th weeks of pregnancy, but may be performed later than this if necessary.Īlthough it can be performed earlier, this may increase the risk of complications of amniocentesis and is usually avoided.ĭuring the test, a long, thin needle is inserted through your abdominal wall, guided by an ultrasound image. Read more about why amniocentesis is offered and deciding whether to have it. Your midwife or doctor will speak to you about what the test involves, and let you know what the possible benefits and risks are, to help you make a decision. It’s up to you to decide whether you want it. It’s important to remember that you don’t have to have amniocentesis if it’s offered. you have a family history of a health condition, such as cystic fibrosis or muscular dystrophy, and a health condition is detected in your baby during a routine ultrasound scan.you’ve had a previous pregnancy with health condition or chromosomal condition.an earlier antenatal screening test has suggested there may be a health condition or chromosomal condition.It’s only offered if there’s a high chance that your baby could have a health condition or chromosomal condition. When amniocentesis is offeredĪmniocentesis isn’t routinely offered to all pregnant women. It involves removing and testing a small sample of cells from amniotic fluid, which surrounds the foetus in the womb (uterus). Amniocentesis is a test you may be offered during pregnancy to check if your baby has a health condition or chromosomal condition.
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