Use of the decision aid did not affect psychological outcomes.16 Besides, several decision aids on management options of breast cancer risk in BRCA1/2 mutation carriers have been developed and tested.31, 32, 33, 34 Women who used these decision aids also reported less decisional conflict, reduced uncertainty and cancer‐specific distress, increased knowledge and more satisfaction with their decision.31, 32, 33, 34. This evidence concerns the gene BRCA1 and cancer.