What is CVS ?
Chorionic villus sampling or CVS is an invasive prenatal diagnostic procedure performed to check for genetic disorders like Down’s, Patau’s and Edwards’ syndrome among many others.
When is CVS Done ?
It is usually done during 11 to 14 weeks of a pregnancy to avoid the risk of developing complications.
How to manage post CVS care?
It is recommended to stay in observation at the hospital as per doctor’s suggestion after the procedure. Post procedure the patient may experience some abdominal discomfort in which case simple painkillers like paracetamol can be taken. In case of severe pain, bleeding, fluid leakage through the vagina or a fever seek medical advice.
How is CVS Done?
- During the procedure an ultrasound probe is used to pinpoint the location of the injection site.
- Then a thin hollow needle is inserted into the placenta and with the help of a syringe a small amount of placental tissue is taken for testing.
- Afterwards the fetus's heartbeat is monitored to ensure that the test is completed safely.
What are the risks associated with CVS?
Complications of CVS include miscarriage by a chance of 0.2%.