... Whilst we are on the subject fellas when did you check out the little guys last? If you have not done so for a bit go do it soon and keep on doing it.
The annual incidence rate of testicular cancer in the US is very low at approximately 1 in 35000, while the annual incidence rate of prostate cancer is approximately 1 in 1500 (about the same as breast cancer).
... to encourage women to conduct self checks ...
Several studies examining the effect of regular self breast exams in women found no effect on breast cancer mortality.