Table 4 Distribution of pregnancy terminations performed in Brittany according to the context of prenatal diagnosis of cystic fibrosis, and assessment of the impact of each strategy on the incidence rate (period 1986-2009).
Context of prenatal diagnosis | Pregnancy terminations | Incidence rate | Variation in incidence | ||
|---|---|---|---|---|---|
No. | Freq. | (1/xxxx) | (/10,000) | (%) | |
Parents of a CF child | 63 | 60.0% | 1/2425 | 4.1 | 21.5% |
1-in-4 risk couples identified through family testing | 17 | 16.2% | 1/2784 | 3.6 | 5.8% |
1-in-4 risk couples identified following ultrasound examination of pregnancy | 25 | 23.8% | 1/2714 | 3.7 | 8.5% |
Total | 105 | 100.0% | 1/2169 | 4.6 | 35.8% |