(CVS—Transabdominal; Chorionic Villi Sampling—Transabdominal)
|Nine Week Old Fetus in Utero|
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Reasons for Test
- Other tests, such as a first trimester ultrasound revealed abnormal results
- A prior pregnancy had a chromosomal abnormality
- The mother is 35 years old or older
- You or your partner is a carrier for a genetic disorder
- There is a family history of a genetic disorder
- Bleeding from the vagina
- Sensitivity to your baby’s blood, which may enter your bloodstream, also called Rh incompatibility
- Infection in the uterus
- Have an active infection, like a sexually transmitted disease
- Are carrying twins
- Have experienced bleeding from the vagina during pregnancy
What to Expect
Prior to Test
Description of Test
How Long Will It Take?
Will It Hurt?
Call Your Doctor
- Heavy bleeding from your vagina
- Leaking of amniotic fluid
- Uterine contractions
American Congress of Obstetricians and Gynecologists http://www.acog.org/For%5FPatients
American Pregnancy Association http://www.americanpregnancy.org
The Society of Obstetricians and Gynaecologists of Canada http://www.sogc.org
Women's Health Matters http://www.womenshealthmatters.ca
Chorionic villus sampling (CVS). American Pregnancy Association website. Available at: http://www.americanpregnancy.org/prenataltesting/cvs.html . Updated April 2006. Accessed March 12, 2013.
Screening and monitoring during pregnancy. EBSCO DynaMed website. Available at: http://www.ebscohost.com/dynamed/what.php . Updated March 21, 2013. Accessed March 12, 2013.
- Reviewer: Andrea Chisholm, MD
- Review Date: 03/2013 -
- Update Date: 03/15/2013 -