Understanding the Three Types of Hemophilia: A Comprehensive Guide

Haemophilia can be categorized into three types based on the deficiency or dysfunction of specific clotting factors. Here are the three types of haemophilia:

1. Haemophilia A: Haemophilia A is the most common type of haemophilia, accounting for approximately 85% of cases. It is caused by a deficiency or abnormality in the clotting factor VIII (also known as antihemophilic factor). This leads to impaired blood clotting and an increased tendency to bleed.

2. Haemophilia B: Haemophilia B is less common compared to haemophilia A and accounts for approximately 15% of cases. It is caused by a deficiency or abnormality in the clotting factor IX (Christmas factor). Similar to haemophilia A, individuals with haemophilia B experience prolonged bleeding due to the reduced ability of the blood to form stable clots.

3. Haemophilia C: Haemophilia C is a rare type of haemophilia that is caused by a deficiency or abnormality in the clotting factor XI (plasma thromboplastin antecedent). It is also known as Rosenthal syndrome. While haemophilia C shares some similarities with haemophilia A and B in terms of prolonged bleeding, it is generally milder, and the symptoms may be less severe.