Mutations in the tumor-suppressing gene BRCA1 can increase the risk of cancer . What 's the likelihood of getting breast or ovarian cancer if you have a BRCA mutation ? Score: 6 A test can help detect mutations , but can cost hundreds or thousands of dollars . Most women with breast or ovarian cancers do n't have a BRCA mutation .
Mutations in the tumor-suppressing gene BRCA1 can increase the risk of cancer . Score: 6 A test can help detect mutations , but can cost hundreds or thousands of dollars . Most women with breast or ovarian cancers do n't have a BRCA mutation .