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Table 3 Impact of prenatal diagnosis on the incidence rate of cystic fibrosis in Brittany (period 1986-2009).

From: Evidence for decline in the incidence of cystic fibrosis: a 35-year observational study in Brittany, France

  Pregnancy terminations Incidence rate Variation in incidence
  No. (1/xxxx) (/10,000) (%)
Birth incidence rate of CF   1/2946 3.4  
Adjusted birth incidence rate of CF 105 1/2169 4.6 35.8%