CVS (Chorionic villous sampling) is a much-known technique that is used to determine any genetic disorder in the fetus. This prenatal testing technique consists of a sampling of chorionic villi which are like finger-like projections of the placental tissue which contain the same genetic material as the fetus. This process is done after 10-12 weeks into the pregnancy.
Prenatal paternity test CVS types
- Transabdominal CVS: In this case, a needle is inserted into the abdominal and then observed by ultrasound. This needle doesn’t enter into the amniotic sac and also done under local anesthetic.
- Transcervical CVS: Here, a catheter is put into the placenta through the cervix for getting a tissue sample.
Risks occurred in CVS technique
There are some problems like cramping, bleeding or water breaking that may happen during the CVS process in pregnant women. Cases of infections can also happen in the case of women who are sensitive to various medications. In recent studies, it is also found that CVS can cause problems to the baby’s fingers or toes but it mostly happens if the test is done into 9 weeks of pregnancy.
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