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Table of Contents
Vol. 27, No. 1, 2010
Issue release date: January 2010
Section title: Mini-Review
Free Access
Fetal Diagn Ther 2010;27:1–7

Update on Procedure-Related Risks for Prenatal Diagnosis Techniques

Tabor A.a · Alfirevic Z.b
aDepartment of Fetal Medicine, Copenhagen University Hospital Rigshospitalet and Faculty of Health Sciences, Copenhagen, Denmark; bDivision of Perinatal and Reproductive Medicine, University of Liverpool, Liverpool Women’s Hospital, Liverpool, UK
email Corresponding Author

Ann Tabor

Department of Fetal Medicine, Copenhagen University Hospital Rigshospitalet

Blegdamsvej 9

DK–2100 Copenhagen (Denmark)

Tel. +45 3545 0610, Fax +45 3545 4749, E-Mail ann.tabor@rh.regionh.dk

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Introduction: As a consequence of the introduction of effective screening methods, the number of invasive prenatal diagnostic procedures is steadily declining. The aim of this review is to summarize the risks related to these procedures. Material and Methods: Review of the literature. Results: Data from randomised controlled trials as well as from systematic reviews and a large national registry study are consistent with a procedure-related miscarriage rate of 0.5–1.0% for amniocentesis as well as for chorionic villus sampling (CVS). In single-center studies performance may be remarkably good due to very skilled operators, but these figures cannot be used for general counselling. Amniocentesis performed prior to 15 weeks had a significantly higher miscarriage rate than CVS and mid-trimester amniocentesis, and also increased the risk of talipes equinovarus. Amniocentesis should therefore not be performed before 15 + 0 weeks’ gestation. CVS on the other hand should not be performed before 10 weeks’ gestation due to a possible increase in risk of limb reduction defects. Discussion: Experienced operators have a higher success rate and a lower complication rate. The decreasing number of prenatal invasive procedures calls for quality assurance and monitoring of operators’ performance.

© 2009 S. Karger AG, Basel

Article / Publication Details

First-Page Preview
Abstract of Mini-Review

Received: November 02, 2009
Accepted: November 13, 2009
Published online: December 24, 2009
Issue release date: January 2010

Number of Print Pages: 7
Number of Figures: 0
Number of Tables: 1

ISSN: 1015-3837 (Print)
eISSN: 1421-9964 (Online)

For additional information: http://www.karger.com/FDT

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