Chorionic villus sampling vs. chorionic villus sampling vs. amniocentesis prenatal tests are a concern, which we will discuss in the blog today. Suppose you expect parents to have a higher risk of having babies with anomalies or other health conditions. You may consider going for these prenatal tests: chorionic villus sampling (CVS) or amniocentesis. These tests help determine whether the growing fetus has genetic disorders or birth-related issues.
The information from the chorionic villus sampling vs. amniocentesis test results helps the parents know about the condition beforehand and allows them to make crucial decisions. If your results are abnormal, you can opt to have these tests.
Chorionic villus sampling (CVS)
This test requires the collection of a few cells from the uterus.
- The test done at 11 weeks.
- A needle placed inside the uterus to collect the sample.
- CVS helps to find Down syndrome or other conditions such as cystic fibrosis.
- This test cannot identify neural tube conditions or Rh factor.
Amniocentesis
Amniotic fluid is known to contain the baby’s skin tissues.
- The amniocentesis procedure is inserting a needle into the uterus from the abdomen and extracting the fluid. The body replaces a small amount of fluid.
- The test is done after 15 weeks of pregnancy.
- This test helps identify genetic conditions, neural tube defects and other health issues.
You may feel mild cramping and discomfort during the procedures of the above two tests. It would be best if you also considered the risks involved with both techniques. There are slight chances of –
- Injury to the baby
- Damage to the blood vessels or other parts of the mother
- Miscarriage
- Preterm labor
- Vaginal bleeding
- Leaking of amniotic fluid
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