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Amniocentesis facts

  • 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%.
Medically Reviewed by a Doctor on 2/27/2014

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