Table 7.
Genetic test results for each sample in Case Mo2.
| Case Mo2–Specimen | QF–PCR | FISH | G–Band | ||
|---|---|---|---|---|---|
| Trisomy 7 + Tetrasomy 21 |
Disomy 7 + Disomy 21 |
Disomy 7 + Monosomy 21 |
|||
| CVS | s/o T21 mosaicism | 20% | 80% | 0% | 49,XX,+7,+21,+21/46,XX (72%/28%) |
| Placenta–A | s/o T21 mosaicism | 24% | 76% | 0% | 46,XX (100%) |
| Placenta–B | s/o T21 mosaicism | 0% | 90% | 10% | 49,XX,+7,+21,+21/46,XX (15%/85%) |
| Placenta–C | s/o T21 mosaicism | 10% | 80% | 10% | 49,XX,+7,+21,+21/45,XX,–21/46,XX (5%/10%/85 %) |
| Placenta–D | s/o T21 mosaicism | 20% | 70% | 10% | 49,XX,+7,+21,+21/46,XX (10%/90%) |
| Placenta–E | s/o T21 mosaicism | 24% | 64% | 12% | 49,XX,+7,+21,+21/46,XX (10%/90%) |
| Cord | Normal XX | 0% | 100% | 0% | 46,XX (100%) |
| Membranes | Inconclusive | 20% | 74% | 6% | 49,XX,+7,+21,+21/46,XX (5%/95%) |
| Cord blood | Normal XX | 0% | 100% | 0% | 46,XX (100%) |