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  2. Coombs test - Wikipedia

    en.wikipedia.org/wiki/Coombs_test

    The indirect Coombs test is used in prenatal testing of pregnant women and in testing prior to a blood transfusion. The test detects antibodies against foreign red blood cells. In this case, serum is extracted from a blood sample taken from the patient. The serum is incubated with foreign red blood cells of known antigenicity. Finally, anti ...

  3. Hemolytic disease of the newborn (anti-Rhc) - Wikipedia

    en.wikipedia.org/wiki/Hemolytic_disease_of_the...

    Blood testing for the mother is called an Indirect Coombs Test (ICT) or an Indirect Agglutination Test (IAT). This test tells whether there are antibodies in the maternal plasma. If positive, the antibody is identified and given a titer. Critical titers are associated with significant risk of fetal anemia and hydrops. [14]

  4. Hemolytic disease of the newborn (anti-Kell) - Wikipedia

    en.wikipedia.org/wiki/Hemolytic_disease_of_the...

    Newborn Screening Tests - Transfusion with donor blood during pregnancy or shortly after birth can affect the results of the Newborn Screening Tests. It is recommended to wait and retest 10–12 months after last transfusion. In some cases, DNA testing from saliva can be used to rule out certain conditions. [citation needed]

  5. Hemolytic disease of the newborn - Wikipedia

    en.wikipedia.org/wiki/Hemolytic_disease_of_the...

    Positive direct Coombs test (might be negative after fetal interuterine blood transfusion) Blood tests done on the mother. Positive indirect Coombs test; Cell free fetal DNA (cff-DNA) from maternal plasma may be used early in pregnancy to determine whether the fetus expresses the red cell antigen to which the pregnant mother is alloimmunized ...

  6. Hemolytic disease of the newborn (anti-RhE) - Wikipedia

    en.wikipedia.org/wiki/Hemolytic_disease_of_the...

    This test is run from cord blood. [3] In some cases, the direct Coombs will be negative but severe, even fatal HDN can occur. [29] An indirect Coombs needs to be run in cases of anti-C, [30] anti-c, [30] and anti-M. Anti-M also recommends antigen testing to rule out the presence of HDN. [22] Hgb – the infant's hemoglobin should be tested from ...

  7. Blood compatibility testing - Wikipedia

    en.wikipedia.org/wiki/Blood_compatibility_testing

    Blood compatibility testing is routinely performed before a blood transfusion.The full compatibility testing process involves ABO and RhD (Rh factor) typing; screening for antibodies against other blood group systems; and crossmatching, which involves testing the recipient's blood plasma against the donor's red blood cells as a final check for incompatibility.

  8. Routine prenatal test revealed her ‘hidden cancer.’ A study ...

    www.aol.com/news/routine-prenatal-test-revealed...

    Prenatal genetic testing is done to screen for genetic conditions known as fetal aneuploidy, such as Down syndrome, in which a fetus has one or more extra chromosomes or the absence of one or more ...

  9. The red blood cells (RBCs) are washed (removing the patient's own plasma) and then incubated with antihuman globulin (also known as "Coombs reagent"). If this produces agglutination of the RBCs, the direct Coombs test is positive. The indirect Coombs test is used in prenatal testing of pregnant women, and in testing blood prior to a blood ...

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