If the blood types of the parents vary, the mother may not have the same blood type or Rh factor as the child.
If the mother has Rh-negative blood and the infant has Rh-positive blood, the pregnancy and birth may be endangered.
A limited percentage of fetal red blood cells may pass the placenta and enter the mother's bloodstream. Sensitization occurs when anti-RhD antibodies form in the mother's plasma.
A problem may emerge if this antibody recognises a "foreign" antigen in the blood cells of the fetus. As a protection strategy, the antibodies may begin to attack the fetus' red blood cells.
Severe jaundice and potentially brain damage may occur in certain situations.
Anti-RhD immunoglobulin G injections may help prevent the mother from developing this antibody, reducing the effect of a sensitizing event on the baby.
According to the World Health Organization, if a woman has Rh-negative blood, a doctor may provide anti-D immunoglobulin at 28 and 34 weeks as a prophylactic step .
During pregnancy, blood testing may identify potential risks by determining whether the baby' blood type is compatible with the mother's
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