Overview
Chorionic villus tasting (CVS) is a prenatal examination in which an example of chorionic villi is eliminated from the placenta for screening. The sample can be taken through the cervix (transcervical) or the stomach wall (transabdominal).
While pregnant, the placenta provides oxygen and also nutrients to the expanding child as well as removes waste items from the baby's blood. The chorionic villi are wispy projections of placental cells that share the child's hereditary make-up. The examination can be done as early as 10 weeks of maternity.
Chorionic villus tasting can expose whether a child has a chromosomal condition, such as Down syndrome, along with other hereditary problems, such as cystic fibrosis. Although chorionic villus sampling can supply beneficial ***ails concerning your infant's health, it's important to comprehend the risks-- and be planned for the results.
Why it's done
Chorionic villus tasting can offer ***ails about your infant's hereditary makeup. Generally, chorionic villus sampling is offered when the examination results may have a significant i***ct on the administration of the pregnancy or your wish to continue the maternity.
Chorionic villus sampling is generally done between weeks 11 as well as 14 of pregnancy-- earlier than other prenatal analysis tests, such as amniocentesis.
You might take into consideration chorionic villus tasting if:
You had favorable arise from a prenatal testing test. If the outcomes of a screening test-- such as the first trimester screen or prenatal cell-free DNA testing-- declare or uneasy, you may select chorionic villus sampling to validate or rule out a medical diagnosis.
You had a chromosomal problem in a previous maternity. If a previous maternity was i***cted by Down syndrome or an additional chromosomal problem, this maternity may go to a somewhat greater risk, as well.
Click to know more about BGI prenatal test products if you are interested. |
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