Inherited bleeding disorders in the Eastern Province of Saudi Arabia.

Thirty-four cases of inherited bleeding disorders are reported. All are Saudi patients from the Eastern Province of Saudi Arabia. There were 15 haemophiliacs, 1 factor VII deficiency, 1 factor X deficiency, 12 Glanzmann's thrombasthenia, and 5 unidentified platelet function disorders. Consanguinity was common among the families of these patients. Different age groups were affected and the severity of bleeding varied in the different conditions reported.