Table 1.
Distribution of prenatal tests among 15–49 year old females in Ontario, by age at which the tests were performed, 2006–2010
| Age group (years) | Number of prenatal tests, 2006-2010 | Proportion of all prenatal tests (%) | Mean annualized rate per 1,000 |
|---|---|---|---|
| 15-19 |
27,247 |
4.9 |
12.7 |
| 20-24 |
84,727 |
15.4 |
38.5 |
| 25-29 |
162,377 |
29.5 |
74.2 |
| 30-34 |
172,819 |
31.4 |
78.4 |
| 35-39 |
85,311 |
15.5 |
36.7 |
| 40-44 |
17,553 |
3.2 |
6.8 |
| 45-49 | 1,125 | 0.2 | 0.4 |
(N = 551,159 tests, excluding 1 test for which age could not be determined).