Table 2.
Rates of mosaicism, segmental errors, and “no call” preimplantation genetic testing for aneuploidy results based on embryologist loading the biopsy sample.
| Embryologist | Mosaicism |
Segmental error |
“No calls” |
|||
|---|---|---|---|---|---|---|
| N | % | N | % | N | % | |
| A | 313/5,340 | 5.9 | 550/5,340 | 10.3 | 81/5,340 | 1.5 |
| B | 351/6,566 | 5.4 | 673/6,566 | 10.3 | 81/6,566 | 1.2 |
| C | 48/917 | 5.2 | 112/917 | 12.2 | 12/917 | 1.3 |
| D | 201/2,443 | 4.2 | 253/2,443 | 10.4 | 56/2,443 | 2.2 |
| E | 604/12,184 | 5.0 | 1,203/12,184 | 9.9 | 260/12,184 | 2.1 |
| F | 189/3,449 | 5.5 | 336/3,449 | 9.7 | 59/3,449 | 1.7 |
| All | 1,607/30,899 | 5.2 | 3,127/30,899 | 10.1 | 549/30,899 | 1.8 |
Note: Mosaicism, P = .03; segmental error, P = .28; and “no calls,” P<.01.