Table 3. Estimated annual births to Trypanosoma cruzi–infected women and congenital infections, United States.
| Maternal age, y | No. women infected | Live births/1,000 women* | No. births to infected women | No. infected infants/y |
|
|---|---|---|---|---|---|
| Lower limit, 1% | Upper limit, 5% | ||||
| 18–19 | 683 | 64.3 | 44 | 0 | 2 |
| 20–24 | 2,134 | 114.4 | 244 | 2 | 12 |
| 25–29 | 3,051 | 136.4 | 416 | 4 | 21 |
| 30–34 | 3,933 | 117.6 | 463 | 5 | 23 |
| 35–39 | 11,553 | 66.6 | 770 | 8 | 38 |
| 40–44 | 11,573 | 17.7 | 205 | 2 | 10 |
| 45–49 |
10,356 |
1.2 |
13 |
0 |
1 |
| All ages | 43,283 | 2,154 | 22 | 108 | |
*Age-specific birth rates for all Hispanic women in 2017 multiplied by 1.22 to correct for higher birth rates among foreign-born Hispanic women (see Methods).