Guidance
Alpha zero thalassaemia carrier: description in brief
Information for pregnant women to understand what it means to be an alpha zero thalassaemia carrier.
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Details
This information is for women who have had genetic (DNA) testing that confirms alpha zero thalassaemia carrier status.
It explains:
- how being a carrier can affect an individual and their family
- what an alpha zero thalassaemia carrier is
- the condition a carrier’s baby could inherit
- genetic inheritance of haemoglobin disorders
- what the result means for other people in the family
To request another format, you can phone 0300 311 22 33 or email england.contactus@nhs.net.
Updates to this page
Published 22 February 2021
Last updated 5 March 2026
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Replaced text on landing page (‘Refer to how to print digital leaflets if you need to provide a copy of this guidance for someone who cannot access the internet’) with ‘To request another format, you can phone 0300 311 22 33 or email england.contactus@nhs.net.’
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Updated NHS England contact information
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First published.