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Diagnosing females

How is haemophilia diagnosed in females?

Haemophilia is a medical condition where a person has low levels of clotting factor VIII (8) or factor IX (9) AND these low factor levels are caused by an alteration in the gene for clotting factor VIII or factor IX. 

In women and girls haemophilia is usually diagnosed through:

The physical signs that you have a bleeding problem
Checking the family history for bleeding disorders
Laboratory tests on a blood sample for your clotting factor levels
Genetic testing that finds you have a gene alteration for haemophilia.

Date last reviewed: 1 March 2023

Important Note: This information was developed by Haemophilia Foundation Australia for education and information purposes only and does not replace advice from a treating health professional. Always see your health care provider for assessment and advice about your individual health before taking action or relying on published information. This information may be printed or photocopied for educational purposes.

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