What you can expect
By Mayo Clinic staffAn 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.
References
- Moise KJ. Management of Rhesus (Rh) alloimmunization in pregnancy. www.uptodate.com/home/index.html. Accessed Jan. 8, 2010.
- Moise KJ. Pathogenesis and prenatal diagnosis of Rhesus (Rh) alloimmunization. www.uptodate.com/home/index.html. Accessed Jan. 8, 2010.
- Moise KJ. Prevention of Rh (D) alloimmunization. www.uptodate.com/home/index.html. Accessed Jan. 8, 2010.
- The Rh factor: How it can affect your pregnancy. American College of Obstetricians and Gynecologists. http://www.acog.org/publications/patient_education/bp027.cfm. Accessed Jan. 19, 2010.
- Moise KJ. Management of rhesus alloimmunization in pregnancy. Obstetrics and Gynecology. 2008;112:164.
- McInerny TK, ed. American Academy of Pediatrics Textbook of Pediatric Care. Elk Grove Village, Ill.: American Academy of Pediatrics; 2009:941.
- Gabbe SG, et al. Obstetrics: Normal and Problem Pregnancies. 5th ed. Philadelphia, Pa.: Saunders Elsevier; 2007. http://www.mdconsult.com/das/book/body/179151994-3/941825473/1528/319.html#4-u1.0-B978-0-443-06930-7..50032-3--cesec8_1443. Accessed Jan. 20, 2010.

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