Amniocentesis (cont.)

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Amniocentesis At A Glance

  • Amniocentesis may be performed for chromosome analysis or the detection of genetic defects and conditions in the fetus.

  • Pregnant women over the age of 35 years are candidates for amniocentesis to detect chromosomal abnormalities in the fetus.

  • Amniocentesis can also be used to determine the maturity of the lungs of the fetus or the cause of unknown fever in the mother.

  • For genetic testing, chromosome analysis, and the evaluation of an abnormal alpha feto protein test, amniocentesis is usually performed between the 15th and 20th weeks of pregnancy.

  • The risk of fetal loss from the amniocentesis procedure is less than 1%.

Reference: ACOG Practice Bulletin No. 88, Dec. 2007. Invasive Prenatal Testing for Aneuploidy. Obstet Gynecol. 2007 Dec;110(6):1459-67.


Last Editorial Review: 10/17/2008


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