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Recent changes:
Jan 12 2010, 04:35 PM Added one risk variant for males of European descent
Male Pattern Baldness
Male pattern baldness (androgenic alopecia) is the most common form of hair loss in men. Men affected by this condition lose their hair in a well-defined pattern, beginning above both temples.
Your result:
You have a 4% chance of developing male pattern baldness by age 40
Based on the deCODEme Genetic scan for the variants, rs2223841 in the AR (androgen receptor) gene on chromosome X, and rs2180439 on chromosome 20 associated with male pattern baldness, your results are: (highlighted in green)
| rs2223841 | rs2180439 | ||||||
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| You have a 20% chance of developing male pattern baldness by age 40 |
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| You have a 10% chance of developing male pattern baldness by age 40 |
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| You have a 5% chance of developing male pattern baldness by age 40 |
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| You have a 4% chance of developing male pattern baldness by age 40 |
 YOU > |
G | TT | ||||
| You have a 2% chance of developing male pattern baldness by age 40 |
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| You have a 1% chance of developing male pattern baldness by age 40 |
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- Male pattern baldness is defined as having Androgenic Alopecia of grades 5, 6 or 7 based on the classification by Hamilton (1951) and modified by Norwood (1975), as shown in figure under risk and prevention
- Approximately 10% of men develop male pattern baldness before the age of 40
Keep in mind
The risk estimates for this trait are partly based on a marker on the X chromosome, so all males are either G or A and no heterozygotes should occur. Results presented apply only to males of northern European descent.
These are the results of calculations comparing your genetic sequence to sequence of participants in studies published in the world literature.
Regardless of your results, if you are concerned about current hair-loss, you should see your doctor as hair-loss can be a symptom of other diseases.