Despite the fact that both men and women can carry a breast/ovarian cancer-related mutation, the main emphasis in genetic counseling for breast/ovarian cancer-related risk remains on females. This study aimed to develop and pilot a decision aid specifically designed for men with a strong family history of breast and/or ovarian cancer who are considering genetic testing. The decision aid was developed by a multidisciplinary team of experts and a consumer representative. It was then reviewed by 27 men who had previously undergone genetic testing to identify a mutation in a BRCA1 or BRCA2 gene. All men who reviewed the decision aid indicated that they would recommend the booklet to other men in the same situation, and 96% of the sample (n=26) reported being "very satisfied" or "satisfied" with the information contained in the decision aid. The decision aid was perceived by all participants as "very relevant" or "quite relevant" for men considering genetic testing. Ninety-three percent of men felt that it was easy to weigh the pros and cons of genetic testing with the help of the decision aid. The perceived impact on participants' emotions and understanding of the genetic testing process was also assessed. Several factors may hinder men from effectively weighing up the potential benefits and risks of genetic testing. A greater understanding of these issues may help health professionals to encourage men with a strong family history of breast and/or ovarian cancer to learn about cancer risk and the appropriate management strategies for themselves and their female relatives.