Rh factor blood test

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What you can expect

By Mayo Clinic staff

An Rh factor test is a basic blood test. The blood sample is usually taken in a health care provider's office — typically during the first prenatal visit — and sent to a lab for analysis.

No special preparation is necessary.

Results Why it's done
References
  1. Moise KJ. Management of Rhesus (Rh) alloimmunization in pregnancy. http://www.uptodate.com/index. Accessed March 5, 2012.
  2. Moise KJ. Pathogenesis and prenatal diagnosis of Rhesus (Rh) alloimmunization. http://www.uptodate.com/index. Accessed March 5, 2012.
  3. Moise KJ. Prevention of Rh (D) alloimmunization. http://www.uptodate.com/index. Accessed March 5, 2012.
  4. The Rh factor: How it can affect your pregnancy. The American College of Obstetricians and Gynecologists. http://www.acog.org/Search?Keyword=rh+factor. Accessed March 5, 2012.
MY01163 June 16, 2012

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