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Sickle Cell Facts

Facts about Hemoglobin

  • Hemoglobin is found in the red blood cells and is the oxygen carrier of the blood.
  • The type of hemoglobin we have is determined by inheritance.
  • There are over 400 different types of abnormal hemoglobins (hemoglobinopathies) found both in the black and white population.
  • People who inherit one normal gene (A) for hemoglobin and one abnormal gene (?) for hemoglobin are known as hemoglobin trait carriers.
  • The most common abnormal hemoglobins found in the black population are Hemoglobin S and Hemoglobin C.
  • 1 out of 10-12 African Americans carries the gene for Hemoglobin S (AS) - Sickle Cell Trait.
  • 1 out of 40 African Americans carries the gene for Hemoglobin C (AC) - Hemoglobin C Trait.
  • Usually trait carriers are not sick, they can live a healthy, normal life.
  • Individuals must have a special hemoglobin test to determine if they may be trait carriers.
  • Sickle Cell Trait carriers will not develop Sickle Cell Disease but may pass it on to their offspring.
  • If both parents are Sickle Cell Trait carriers, each time a child is born there is a 25% chance the child will have some variant of Sickle Cell Disease.
  • Sickle Cell Disease has many known variants.
  • Sickle Cell Anemia (SS) affects 1 out of 500 African Americans.
  • Sickle Cell Hemoglobin C Disease (SC) affects 1 out of 800 African Americans.
  • Over 50,000 African Americans are victims of Sickle Cell Diseases.
  • Sickle Cell Disease is incurable at the moment.
  • A person with Sickle Cell Disease can live a productive, useful life if they take care of themselves and visit the doctor regularly.
  • If you are old enough to be the parent of a child you should know your hemoglobin type.
  • You may obtain a hemoglobin test, free of charge, at the Sickle Cell Foundation of Greater Montgomery.

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Page last updated 11/01/06
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