Table 2.
Pregnancy loss rate and maternal age.
| Maternal age | Down’s risk | All chromosome risks | Miscarriages rate |
|---|---|---|---|
| 20 | 1/1667 | 1/526 | 8 |
| 25 | 1/1200 | 1/476 | 10 |
| 30 | 1/952 | 1/385 | 12 |
| 35 | 1/378 | 1/192 | 16 |
| 40 | 1/106 | 1/66 | 40 |
| 45 | 1/30 | 1/21 | 60 |
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