1:10,000 males: Hemophillia a in about 1:10, 000 males and hemophilia b in about 1:20, 000 males. It is less common in females.
Answered 4/15/2016
6.1k views
A or B?: Hemophilia a is the most common type of the condition; 1 in 4, 000 to 1 in 5, 000 males worldwide are born with this disorder. Hemophilia b occurs in approximately 1 in 20, 000 newborn males worldwide.
Answered 1/21/2017
4.9k views
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