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Risk factors
By Mayo Clinic staffThe greatest risk factor for cystic fibrosis is a family history of the disease. If both you and your partner come from families with cystic fibrosis, then each of your children has a one in four chance of having cystic fibrosis.
Your risk is also greater if you're of Northern European ancestry. In that case, you have a one in 29 chance of carrying the gene. Among other ethnic groups in the United States, Hispanics have a one in 46 chance of carrying the gene, blacks have a one in 65 chance and Asian-Americans a one in 90 chance.
