Table 2. Frequency of abnormal karyotypes in eligible studies.
| study | year | Trisomy | monosomy X | Triploidy | Tetraploidy | Double trisomies | Structural anomalies | Autosomal monosomy | Masaic | 47.XXY | Polyploidy |
| Plachot | 1989 | 66.67% | 14.29% | 4.76% | 4.76% | 4.76% | 4.76% | ||||
| Causio | 2002 | 62.07% | 24.14% | 6.90% | 6.90% | ||||||
| Lathi | 2004 | 84.38% | 3.13% | 6.25% | 6.25% | ||||||
| Ma | 2006 | 58.00% | 10.00% | 4.00% | 14.00% | 14.00% | |||||
| Bettio | 2008 | 71.35% | 7.57% | 8.11% | 3.78% | 5.95% | 3.24% | ||||
| Massie | 2008 | 86.91% | 3.74% | 9.35% | |||||||
| Kushnir | 2009 | 78.09% | 3.37% | 6.74% | |||||||
| Kim | 2010 | 72.94% | 6.88% | 6.88% | 6.42% | 6.88% | |||||
| Martinez | 2010 | 59.47% | 8.28% | 5.62% | 5.62% | 0.59% | 8.58% | 0.30% | 11.54% | ||
| Kroon | 2011 | 68.11% | 8.70% | 11.59% | 1.45% | 5.07% | 5.07% | ||||
| Bingol | 2012 | 56.00% | 17.33% | 17.33% | 6.67% | ||||||
| Werner | 2012 | 90.91% | 4.55% | 4.55% | |||||||
| Li | 2012 | 62.50% | 3.57% | 5.36% | 21.43% | 1.79% | 5.36% |