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It is not unusual for a carrier of the defective gene (i.e. a Thalassemia minor individual) not to be aware of his or her status.
Occasionally, two individual carriers who are partners could find out for the first
time about their status when the woman becomes pregnant and when tell-
In many countries, including the UK, the screening for hemoglobinopathies such as Thalassemia is done routinely for all pregnant women.
The gender distribution of Thalassemia
Both sexes are affected equally. If the two parents are carriers, the baby will have
a one in four chance of ending up with the full-
What are the chances that the baby will be completely unaffected (if both parents are carriers)?
Again, the chance of the offspring being completely unaffected is one in four. This leaves two in four or a 50% chance of the offspring being a carrier.
If such a couple had four children, mathematically, they should expect one completely
healthy child, two children who would be relatively healthy but carrying the beta-
Of course, it does not work that way in real life. They could end up with four completely healthy children, four sick children or any mix, depending on the throw of the dice.
Below is an illustration of what is described above. Hover over the illustration to see a bigger image
Health prospects for a Thalassemia major child
This is a difficult condition to control and treatment is life-
The mainstay for the majority remains repeated blood transfusion. With this, Thalassemia Major patients commonly make it to their twenties, occasionally beyond.
