Table 4 Prevalence rates of pregnancies with Down syndrome (per 10000), Czech Republic (1994–98)
From: Down syndrome, paternal age and education: comparison of California and the Czech Republic
Age of mother | 1994 | 1995 | 1996 | 1997 | 1998 | Total |
|---|---|---|---|---|---|---|
-19 | 6.26 | 8.45 | 4.90 | 5.74 | 8.25 | 6.70 |
20–22 | 5.36 | 6.16 | 8.14 | 7.66 | 11.01 | 7.36 |
23–25 | 5.62 | 8.13 | 9.15 | 8.90 | 7.35 | 7.80 |
26–28 | 7.60 | 9.27 | 6.23 | 8.14 | 11.82 | 8.69 |
29–31 | 12.96 | 6.68 | 6.80 | 9.60 | 16.35 | 10.57 |
32–34 | 26.79 | 13.14 | 26.73 | 14.56 | 31.52 | 22.66 |
35–37 | 21.02 | 36.90 | 48.87 | 45.26 | 52.05 | 40.93 |
38–40 | 125.28 | 96.85 | 86.68 | 102 | 92.88 | 101.07 |
41–43 | 306.12 | 187.2 | 305.6 | 292.4 | 400 | 297.03 |
44+ | 333.33 | 615.4 | 169.5 | 204.1 | 317.5 | 337.84 |
Total | 10.94 | 11 | 12.34 | 12.32 | 16.29 | 12.50 |