Table 1.
Distribution of chromosomal findings by SART age groups (Nembryos = 86,208).
| SART age groups |
P value | ||||||
|---|---|---|---|---|---|---|---|
| Total N = 86,208 % (n) |
<35 y N = 23,442 % (n) |
35–37 y N = 21,381 % (n) |
38–40 y N = 21,487 % (n) |
41–42 y N = 11,310 % (n) |
>42 y N = 8,588 % (n) |
||
| Euploid | 44% (37,889) | 57.7% (13,522) | 51.4% (10,996) | 41.4% (8,890) | 27.2% (3,077) | 16.4% (1,404) | <.0001 |
| Low -evel mosaic | 8% (6,852) | 10.4% (2,431) | 9.1% (1,946) | 7.5% (1,607) | 5.4% (611) | 3% (257) | |
| High-level mosaic | 7.9% (6,790) | 8.5% (2,000) | 8.2% (1,762) | 7.9% (1,701) | 7.6% (857) | 5.5% (470) | |
| Aneuploid | 27.9% (24,039) | 16.8% (3,946) | 23% (4,910) | 32% (6,867) | 41.6% (4,708) | 42% (3,608) | |
| Complex abnormal aneuploid | 12.3% (10,638) | 6.6% (1,543) | 8.3% (1,767) | 11.3% (2,422) | 18.2% (2,057) | 33.2% (2,849) | |
SART = Society for Assisted Reproductive Technology.