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A member asked:
What is invasive prenatal diagnosis?
5 doctors weighed in across 2 answers
Amnio or CVS: Typically the term "invasive prenatal diagnosis" applies to two tests commonly performed to obtain fetal genetic information, amniocentesis and chorionic villus sampling. The word "invasive" is used for procedures like these because the uterus is entered through a needle into amniotic sac or through a catheter into placental tissue, respectively.
Answered 12/27/2014
6.6k views
Genetic testing: Prenatal diagnostic testing usually involves obtaining fetal tissue from the uterus. That is typically done early (about 9 to 11 weeks) in a pregnancy by chorionic villus sampling and later (15 weeks or later) by amniocentesis.
Answered 9/7/2013
4.9k views
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