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For a CA 125 test, a member of your health care team takes a sample of blood by inserting a needle into a vein in your arm. The blood sample is sent to a lab for analysis. You can return to your usual activities immediately.

Results How you prepare
References
  1. CA-125. Lab Tests Online. http://labtestsonline.org/understanding/analytes/ca125/. Accessed March 2, 2011.
  2. Carlson KJ. Screening for ovarian cancer. http://www.uptodate.com/home/index.html. Accessed March 2, 2011.
  3. Clarke-Pearson DL. Screening for ovarian cancer. New England Journal of Medicine. 2009;361:170.
  4. Understanding CA 125 levels: A guide for ovarian cancer patients. Gynecologic Cancer Foundation. http://www.wcn.org/downloads/CA125levels.pdf. Accessed March 2, 2011.
  5. Tumor markers: Questions and answers. National Cancer Institute. http://www.cancer.gov/cancertopics/factsheet/detection/tumor-markers. Accessed March 2, 2011.
  6. How is endometrial cancer diagnosed? American Cancer Society. http://www.cancer.org/Cancer/EndometrialCancer/DetailedGuide/endometrial-uterine-cancer-diagnosis. Accessed March 2, 2011.
  7. Stany MP, et al. Clinical decision making using ovarian cancer risk assessment. AJR. 2010;194:337.
  8. Memarzadeh S, et al. Cancer of the fallopian tube. http://www.uptodate.com/home/index.html. Accessed March 2, 2011.
  9. Goff B. Early detection of epithelial ovarian cancer: Role of symptom recognition. http://www.uptodate.com/home/index.html. Accessed March 2, 2011.
  10. Rustin GJS, et al. Early versus delayed treatment of relapsed ovarian cancer (MRC OV05/EORTC 55955): A randomised trial. The Lancet. 2010;376:1155.
  11. Ovarian cancer: Can ovarian cancer be found early? American Cancer Society. http://www.cancer.org/Cancer/OvarianCancer/DetailedGuide/ovarian-cancer-detection. Accessed March 2, 2011.
  12. Ovarian cancer: Common questions about symptoms and screening. American Cancer Society. http://www.cancer.org/Cancer/news/ovarian-cancer-why-screening-isnt-routine?ssDomain. Accessed March 2, 2011.
  13. Laboratory reference values. CA 125. Rochester, Minn.: Mayo Foundation for Medical Education and Research; Feb. 2011.
  14. Bast RC. CA 125 and the detection of recurrent ovarian cancer. Cancer. 2010;116:2850.
MY00590 April 16, 2011

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