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Caryn
Ask the Experienced Moderator
USA
8780 Posts |
 Posted - 11/04/2009 : 12:00:35 PM
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...When used to screen for preeclamsia (prevalence 29.6% in the sample), the sensitivity and specificity of placental biopsy were respectively 56.8% and 87.2% (76.9% in case of intra-uterine growth retardation). When used to screen for chromosomal aberrations (prevalence 7.4%), the specificity was 14.3% and the sensitivity 93.2%...
http://www.ncbi.nlm.nih.gov/pubmed/19883018
As tests for preeclampsia go, the sensitivity and specificity of CVS are actually not too bad. They're not ideal, but considering the dearth of tests they're not worthless -- especially if you're getting CVS anyway.
Information provided on this site is provided for informational purposes only and is not meant to substitute for the advice provided by your own physician or other medical professional. You should not use the information contained herein for diagnosing or treating a health problem or disorder, or prescribing any medication. The Preeclampsia Foundation presents all data as is, without any warranty of any kind, express or implied, and is not liable for its accuracy, for mistakes or omissions of any kind, nor for any loss or damage caused by a user's reliance on information obtained on the site. Professional opinions on this condition vary greatly. The Preeclampsia Foundation endorses no one course of treatment or "cure". |
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Advantages & limitations of chorionic villous samp
