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Results

By Mayo Clinic staff

Your health care provider or a genetic counselor will help you understand your amniocentesis results.

For genetic amniocentesis, test results can reliably rule out or diagnose various genetic disorders, such as Down syndrome. Follow-up testing isn't usually necessary. Amniocentesis can't identify all birth defects, however.

If amniocentesis indicates that your baby has a chromosomal problem or a hereditary disorder that can't be treated, you may be faced with wrenching decisions — such as whether to continue the pregnancy. Seek support from your health care team and your loved ones during this difficult time.

For maturity amniocentesis, test results can reliably indicate a baby's lung maturity. If you need to deliver the baby early, this information offers reassurance that your baby is ready for birth.

References
  1. Ghidini, A. Amniocentesis: Technique and complications. http://www.uptodate.com/home/index.html. Accessed Jan. 18, 2010.
  2. Eddleman K, et al. Pregnancy loss rates after midtrimester amniocentesis. Obstetrics & Gynecology. 2006;108:1067.
  3. Diagnosing birth defects. American Congress of Obstetrics and Gynecology. http://www.acog.org/publications/patient_education/bp164.cfm. Accessed Jan. 18, 2010.
  4. Cunningham FG, et al. Williams Obstetrics. 23rd edition. New York, N.Y.: McGraw-Hill Companies; 2010. http://www.accessmedicine.com/content.aspx?aID=6021591. Accessed Feb. 8, 2010.
  5. Simpson JL, et al. Prenatal genetic diagnosis. In: Gabbe SG, et al. Obstetrics: Normal and Problem Pregnancies. 5th ed. Philadelphia, Pa.: Churchill Livingstone Elsevier; 2007:1.
  6. Amniocentesis. March of Dimes. http://www.marchofdimes.com/professionals/14332_1164.asp. Accessed Feb. 10, 2010.
  7. Cystic fibrosis: Prenatal screening and diagnosis. American Congress of Obstetricians and Gynecologists. http://www.acog.org/publications/patient_education/bp171.cfm. Accessed Feb. 9, 2010.
  8. Gillen-Goldstein J, et al. Assessment of fetal lung maturity. www.uptodate.com/home/index.html. Accessed Feb. 10, 2010.
  9. American Congress of Obstetricians and Gynecologists. Invasive prenatal testing for aneuploidy. ACOG Practice Bulletin No. 88. Obstetrics and Gynecology. 2007;110:1459.
  10. Harms RW (expert opinion). Mayo Clinic, Rochester, Minn. Accessed Feb. 15, 2010.
MY00155 May 15, 2010

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