Diagnostic Tests Have Low Risk Of Miscarriage
Pregnant women who seek prenatal diagnostic testing to identify genetic or chromosomal abnormalities have a lower risk of miscarriage than previously believed, as per a UCSF study. The findings appear in the September 2006 issue of the journal "Obstetrics and Gynecology". Two standard tests--amniocentesis and chorionic villus sampling (CVS)--are common prenatal tests performed during the first and second trimester of pregnancy. Early testing using the CVS procedure has typically been thought to have a higher rate of miscarriage than amniocentesis. However, in a 20-year retrospective comparison study of the two procedures, scientists observed that the loss rates for both procedures decreased over time........
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