Table 1 Distribution of karyotypes among Turner syndrome, Klinefelter syndrome, Triple X and Double Y syndrome
Karyotypes | Number |
|---|---|
Turner syndrome | 1156 |
45,X | 422 |
45,X/46,XX | 287 |
Karyotypes containing an isochromosome: 45,X/46,I(X) and equivalents | 117 |
Karyotypes containing Y chromosome material: 45,X/46,XY; and equivalents | 47 |
Other | 283 |
Klinefelter syndrome | 1235 |
47,XXY | 1080 |
47,XXY/46,XY | 78 |
47,XXY/46,XX/46,XY; 46,XY/47,XXY/48,XXXY; and equivalents | 32 |
Karyotypes with an autosomal aneuplodi: 48,XXY,+ 18; 48,XXY,+ 21 | 5 |
Other | 40 |
Triple X syndrome | 197 |
47,XXX | 104 |
47,XXX/46,XX | 58 |
48,XXXX; 49,XXXXX | 10 |
Karyotypes with an autosomal aneuplodi: 48,XXX + 18; 48,XXX + 21; and quivalents | 10 |
Other | 15 |
Double Y syndrome | 287 |
47,XYY | 206 |
47,XYY/46,XY | 26 |
Karyotypes containing an isochromosome: 46,XY/47,XY,+I(Yq); 45,X/47,XY,+I(Y)/46,XY; and equivalents | 6 |
48,XXYY; 48,XYYY; and equivalents | 35 |
Other | 14 |