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| Case | Fetal sex | Y% | Fetal%a | |
| Control | Male | − | 0.216% | − |
| Female | − | 0.035% | − | |
| Pregnant women | 6849 | M | 0.045% | 0.057% |
| 6918 | M | 0.070% | 0.198% | |
| 7401 | M | 0.041% | 0.037% | |
| 8542 | M | 0.037% | 0.015% | |
| 7413 | F | 0.042% | 0.042% | |
| 7418 | F | 0.050% | 0.088% | |
| 7482 | F | 0.041% | 0.036% |
 |
