What is Chorionic Villus Sampling (CVS) ?
Chorionic Villus Sampling (CVS) is a prenatal diagnostic procedure used to obtain a sample of fetal tissue for genetic testing. This tissue is taken from the placenta, which develops from the fertilized egg.
Why Chorionic Villus Sampling (CVS) is required?
CVS is often recommended for:
- Women over 35 years old
- Women with a history of miscarriage or stillbirth
- Couples with a family history of genetic disorders
- Couples who have previously had a child with a genetic disorder
- When rapid results are needed for medical management decisions
which are the method of Chorionic Villus Sampling (CVS)?
CVS can be performed in two ways:
- Transabdominal CVS: A needle is inserted through the mother’s abdomen to reach the placenta.
- Transcervical CVS: A thin tube is inserted through the cervix to reach the placenta.
who should go for Chorionic Villus Sampling (CVS)?
CVS is typically recommended for women at higher risk of having a child with a genetic disorder. However, the decision to undergo CVS should be made in consultation with a healthcare provider.
What are the results of Chorionic Villus Sampling (CVS)?
CVS can provide accurate results for a wide range of genetic disorders, including:
- Chromosomal abnormalities (e.g., Down syndrome, Turner syndrome)
- Single-gene disorders (e.g., cystic fibrosis, sickle cell anemia)
- Sex determination
What are the components of Chorionic Villus Sampling (CVS)?
CVS involves the following steps:
- Ultrasound: An ultrasound is performed to visualize the placenta and fetus.
- Tissue sample: A sample of chorionic villi is obtained using a needle or tube.
- Genetic testing: The tissue sample is sent to a laboratory for genetic analysis.
