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Haemoglobin (hb)

Discussion in 'Pregnancy, Birth & parenting Information Centre' started by Lottie, Dec 10, 2006.

  1. Lottie

    Lottie New Member

    Haemoglobin (Hb)is a substance found in blood that carries oxygen around the body. The type of haemoglobin a person has is inherited from both parents. The usual type of haemoglobin that a person inherits is HbA, but there are about 300 other types of Hb in the world (genetic variants). Most people who have inherited one or more of these unusual haemoglobins have ancestors who came from areas such as Africa, the Caribbean, southern Mediterranean countries, the Middle East, South Asia, and the Far East but northern Europeans can also be affected. These unusual haemoglobins can be passed down in a family and if someone inherits two unusual haemoglobins, it may result in conditions such as sickle cell anaemia and thalassaemia.


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