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

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

    Mothers who are negative for the Kell 1 antigen develop antibodies after being exposed to red blood cells that are positive for Kell 1.Over half of the cases of hemolytic disease of the newborn owing the anti-Kell antibodies are caused by multiple blood transfusions, with the remainder due to a previous pregnancy with a Kell 1 positive baby.

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

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

    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] Titers of 1:8 or higher is considered critical for Kell. Titers of 1:16 or higher are considered critical for all other antibodies.

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

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

    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. [1] Titers of 1:8 or higher is considered critical for Kell. Titers of 1:16 or higher are considered critical for all other antibodies.

  5. Hemolytic disease of the newborn - Wikipedia

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

    Hemolytic disease of the newborn, also known as hemolytic disease of the fetus and newborn, HDN, HDFN, or erythroblastosis fetalis, [1] [2] is an alloimmune condition that develops in a fetus at or around birth, when the IgG molecules (one of the five main types of antibodies) produced by the mother pass through the placenta.

  6. Rh disease - Wikipedia

    en.wikipedia.org/wiki/Rh_disease

    If she is positive for anti-D antibodies, the pregnancy will be followed with monthly titers (levels) of the antibody to determine if any further intervention is needed. A screening test to detect for the presence or absence of fetal cells can help determine if a quantitative test (Kleihauer-Betke or flow cytometry) is needed.

  7. Kidd antigen system - Wikipedia

    en.wikipedia.org/wiki/Kidd_antigen_system

    Another disease associated with the Jk antigen is hemolytic disease of the newborn, in which a pregnant woman's body creates antibodies against the blood of her fetus, leading to destruction of the fetal blood cells. Hemolytic disease of the newborn associated with Jk antibodies is typically mild, though fatal cases have been reported. [2]

  8. Vaccinated pregnant women pass protective antibodies to babies

    www.aol.com/news/vaccinated-pregnant-women-pass...

    Pregnant women who get an mRNA vaccine against COVID-19 pass high levels of protective antibodies on to their babies, new research shows. Doctors analyzed umbilical cord blood from 36 newborns ...

  9. Hemolytic disease of the newborn (ABO) - Wikipedia

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

    In about a third of all ABO incompatible pregnancies maternal IgG anti-A or IgG anti-B antibodies pass through the placenta to the fetal circulation leading to a weakly positive direct Coombs test for the neonate's blood. [citation needed] However, ABO HDN is generally mild and short-lived and only occasionally severe because: