By Alyssa Machi

Hemophilia is a blood clotting disorder. This disorder was discovered by Dr. Judith Pool, in the 1960's. Those with Hemophilia do not have the proper amount of blood clotting factor. This is a single gene mutation occurring on the X chromosome, on F8 and F9 gene. This disorder will not will not affect an individuals life expectancy. However, hemophiliacs must be careful to avoid injury.
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Those Hemophilia will bleed easily.

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Those with Hemophilia do not have blood that clots correctly.

Symptoms and Side Affects

Depending on the severity of the disease, different side affects will occur. Common side affects are:
  • Easy Bruising
  • Very Bad Nosebleeds
  • Heavy Bleeding after small Injuries

How is Hemophilia inherited?

Hemophilia occurs mostly in men. This occurs because a male will have an X and Y chromosome. A female has two X chromosomes, so if one of her chromosomes has this mutation, the other chromosome will take over. She will not have symptoms of Hemophilia, however she will be a carrier and her children may. Because a male only has one X chromosome, if the mutation occurs, he will show signs of Hemophilia. Altogether, this disease is inherited through either a carrier mother, or a father who has Hemophilia, however it is possible to develop this disease.
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Hemophiliac Inheritance

To diagnose Hemophilia:

Those who have symptoms of hemophilia will have a physical exam, and blood will be drawn to test for clotting factors.


There is no prevention of Hemophilia, however it can be treated. A patient will be injected with a clotting factor, either upon injury or every few weeks, months, etc. Because immunity can be developed, a patient may have to change medicines.
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Those with Hemophilia will be treated with an injection.

Support Groups

  • American Society of Hematology
  • National Hemophilia Foundation
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