Table I.
Data on biopsy and analysis at embryo level.
| PGT-M | PGT-SR | PGT-A | PGT-M/SR+PGT-A | Total | Total/no. of biopsied embryos | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Embryos biopsied (initial) | 18 126 | 100% | 4928 | 100% | 14 851 | 100% | 3218 | 100% | 41 123 | 100% | 100% | |
| Fresh embryos biopsied | 17 360 | 96% | 4511 | 92% | 14 117 | 95% | 3145 | 98% | 39 133 | 95% | 95% | |
| Thawed/warmed embryos biopsied | 66 | 4% | 417 | 8% | 734 | 5% | 73 | 2% | 1990 | 5% | 5% | |
|
| ||||||||||||
| Embryos analysed | 17 527 | 100% | 4894 | 100% | 14 559 | 100% | 3227 | 100% | 40 207 | 100% | 98% | |
| Embryos without diagnosis | 2109 | 12% | 317 | 6% | 454 | 3% | 162 | 5% | 3042 | 8% | 7% | |
| embryos with failed diagnosis | 1235 | 7% | 215 | 4% | 199 | 1% | 102 | 3% | 1751 | 4% | 4% | |
| embryos with inconclusive results | 874 | 5% | 102 | 2% | 255 | 2% | 60 | 2% | 1291 | 3% | 3% | |
| Embryos with diagnosis | 15 418 | 88% | 4577 | 94% | 14 105 | 97% | 3065 | 95% | 37 165 | 92% | 90% | |
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| Embryos for immediate transfer | 1764 | 547 | 428 | 60 | 2799 | 7% | ||||||
| Embryos for freezing | 3902 | 689 | 6630 | 1500 | 12 721 | 31% | ||||||
PGT-M, pre-implantation genetic testing for monogenic/single gene defects; PGT-SR, PGT for chromosomal structural rearrangements; PGT-A, PGT for aneuploidies.