There is a popular prenatal test called Chorionic Villus Sampling, which is used to investigate birth defects, problems of genetic aspect (Cystic Fibrosis/ Sickle Cell Anaemia), awful chromosomal matters – Down syndrome and so many different problems during the time women become pregnant.
Nevertheless, it can’t identify Spina Bifida – the neural tube defects. There is a small cell sample from the tissue of the placenta is taken – called Chorionic Villi.
What’s chorionic villus sampling?
Chorionic Villi has genes that are similar to the baby/fetus because of their tiny parts that belong to the placenta.
If your doctor finds out that you can have a risk factor of giving birth with any genetic disease/birth defect, he/she will suggest CVS.
Depending on this test, this type of illness will be detected soon in pregnancy. CVS can show the gender of the fetus as well. That’s why it can discover the disorders which are connected to one sex.
How about the process of chorionic villus sampling?
It requires a detailed and deep discussion about conducting CVS procedure despite its benefits, risks. Next, an ultrasound scan will be carried out to identify the fetus pregnant stage and the placenta position.
We encourage you to do this scan to investigate the suitable time to demonstrate the CVS procedure. From the 10th – 13th pregnant week, CVS procedure more clearly appears.
The Chorionic Villi sample is picked and collected, then, deliver to a laboratory. In the lab, most of the cells are developed in a special fluid.
After that, these cells are checked and tested for a few days later. The report of the procedure of Chorionic Villus Sampling will be ready within two weeks.
How to collect Chorionic Villi Sampling?
Transabdominal CVS (During the abdomen elements of a pregnant woman)
Your doctor will put an antiseptic on your belly to clean it, and after that, it is numbed with a local anesthetic injection. In order to collect the Chorionic Villi from the pregnant woman’s abdomen, a needle is used.
Based on the ultrasound scan image, the needle is placed into the womb of mom through abdomen skin and oriented towards the placenta. There are many small cell samples taken by a syringe that is attached strongly with this needle.
After the samples are removed, the needle is also removed at the same time.
Transcervical CVS (With Cervix)
In Transcervical CVS, there is a thin and small plastic tube that is attached to the tiny forceps/ syringe. Both of them are inserted inside a pregnant woman’s cervix through the vagina.
Following ultrasound images, this tube is placed towards the placenta, then, a doctor removes some small sample of cells from the placenta.
CVS should be done soon in pregnancy and its statistics are displayed around 12 -14 days. Thus, CVS allows moms and dads to make the right choices about giving birth in the early pregnant stage.
If a pregnant woman investigates and feels certain positive abnormalities test, next steps, she has to make a decision of giving up her pregnancy.