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                       Ը Ǵ  ˰ ִ  . , ڵ鵵 ҷ    ֱ  翬 Ͽ ο  .   ų ϴ  0.5~1%     ƴϴ. , ǰɻ ڷῡ  ü  ȯ ڰ þ鼭   ȯڵ ϰ ִ. 2012 48, 2015 539, 2017 616, 2019 711   ȯ ڰ ǹϰ þ ִ.
 
     ϰ Ȱ  ΰ ȣ ұ ǥ   . ,  ϰ    80%   BRCA1/2    ִ. , ȣ 佺п  ȣ Ʈΰ ġ  Ͽ ɸ  . , ȭ,  ڿ ߵ   ȯ̳ ȯ  ȯ  ȯ  ȣ ұ Ѵ.     ִ ȣ ұ ϴ ǥ ҷ  ȯ Klinefelter ı(XXY) ִ. Klinefelter ı ȯڴ (XY) ؼ ּ 14~20    ߺ δ. Klinefelter ı XY  ϴ  ü XXYY, XXY, XXXXY   ¸   ȯ̴.   ȯ ȯڴ ȯ ,    Ʈΰ ġ δ.    ϰ ߺ ɿ ̰ µ,   40 Ĺ̶   ȯ   ݸ   ɴ밡  65~67 ̿   Ѵ. ̴ οܰ ǻ ö    ȯ  κ 50~60 ̸̻,   ִ 찡 ١ Ѵ.   ɺ  ο  50 23%, 60 30.4%, 70 27.8%  80% ߴ.     濡 Ѵ.       κε, κ    · Ÿ. Ư,    ؿ   ٸ  ̳  ̵ , 缺  ,   Ǽ  Ȯϱ  ᰡ ʿϴ.   ġ  ϰ   Ÿ  ,    ȭп, ȣ ġ, 缱 ġ  ִ.    Ǿ   ,   ̱ ϸ   κ Ǿ ɼ .  Ȥö  ǽɵȴٸ   ã  .
 
 
   üũ Ʈ1.  ũ,  ȭ2.  , , 3. ΰ  ϰų  к 4.  Ӿ 5. 濡    , ܴ ۿ Ȥ Ǻΰ β6.   ó װų Ӿ   7.  κ  = ̴ ǻ ö  (οܰ )
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