Chorionic Villus Sampling
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CVS is usually performed only on women who are considered at risk for having a baby with a chromosomal abnormality, including women who:
- will be 35 or older on their due date.
- already have had a child with a birth defect.
- have had other abnormal prenatal genetic test results.
- have, or the baby's father has, a chromosomal abnormality or genetic disorder, or if both are carriers of a recessive genetic disorder, or have a family history of genetic disorders.
Knowing the condition of your baby as early as possible will give you plenty of time to prepare yourself and decide what to do in the event an abnormality is detected. Even if termination of the pregnancy is out of the question, you may want to switch to a better-equipped hospital with specialists, and the extra notice allows your medical team to monitor your progress and bring on a neonatologist or pediatric surgeon if necessary to help your baby after delivery. A few problems can even be treated in utero, such as congenital adrenal hyperplasia.
For more information:
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