![]() ![]() Rarely, it is not possible to obtain enough placental cells to do the testing or it is not possible to reach the placenta to obtain a sample. In some cases, a second attempt will be needed for a single baby to obtain enough placental cells. Usually the doctor will need only one try to obtain the sample, except in the case of twins where one procedure may be needed for each baby. The simplest route to the placenta is usually the safest for the mother and baby. This procedure is similar to that of amniocentesis.īefore the test, the doctor uses ultrasound to figure out which way to do the CVS. The needle draws a sample of tissue and then is removed. Transabdominal: An ultrasound guides a long thin needle through the abdomen to your placenta. The chorionic villi cells are gently suctioned into the catheter. Transcervical: An ultrasound guides a thin catheter through the cervix to your placenta. There are two ways samples are collected: How is the chorionic villus sampling (CVS) performed?ĬVS is a diagnostic procedure which involves removing some chorionic villi cells from the placenta at the point where it attaches to the uterine wall. The main advantage of CVS is you receive results early in your pregnancy. This test may be recommended by your health care provider if you or your partner has family medical histories that reveal potential risks. Supplements and Medications for a Healthy PregnancyĬhorionic villus sampling often referred to as CVS, is a diagnostic test for identifying chromosome abnormalities and other inherited disorders.Products & Tests to Support Your Pregnancy.Conception Health and Nutrition Support.Can I get pregnant if…and other questions about conception.Establishing Paternity with Paternity Tests.Birth Control Pills, patches and devices. ![]()
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