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Rh disease (also known as rhesus isoimmunization, Rh (D) disease, or rhesus incompatibility, and blue baby disease) is a type of hemolytic disease of the fetus and newborn (HDFN). HDFN due to anti-D antibodies is the proper and currently used name for this disease as the Rh blood group system actually has more than 50 antigens and not only the ...
If you don’t have the “Rh factor” in your blood, you risk having a baby with rhesus disease (Rh disease). Here’s what you need to know about being Rh-negative in pregnancy.
Symptoms of the disease may vary in each pregnancy. They are usually not noticeable during pregnancy. However, prenatal tests may reveal yellow colouring of amniotic fluid, which is caused by the buildup of bilirubin. [5] Splenomegaly, cardiomegaly and hepatomegaly may occur in the baby. [5]
Hemolytic disease of the newborn (anti-Rhc) can range from a mild to a severe disease. It is the third most common cause of severe HDN. Rh disease is the most common and hemolytic disease of the newborn (anti-Kell) is the second most common cause of severe HDN. It occurs more commonly in women who are Rh D negative. [citation needed]
The anti-RhE antibody can be naturally occurring, or arise following immune sensitization after a blood transfusion or pregnancy. The anti-RhE antibody is quite common especially in the Rh genotype CDe/CDe; it usually only causes a mild hemolytic disease, but can cause a severe condition in the newborn.
Other examples of insufficient immune tolerance in pregnancy are Rh disease and pre-eclampsia: Rh disease is caused by the mother producing antibodies (including IgG antibodies) against the Rhesus D antigen on their baby's red blood cells. It occurs if the mother is Rh negative and the baby is Rh positive, and a small amount of Rh positive ...
Cell-free DNA can be used the determine the Rh antigen of the fetus when the mother is Rh negative. Blood is taken from the mother during the pregnancy, and using PCR, can detect the K, C, c, D, and E alleles of fetal DNA. This blood test is non-invasive to the fetus and is an easy way of checking antigen status and risk of HDN.
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