We do recommend that you undergo screening for prostate cancer as any individual should. The current American Urological Association recommendations are to have a digital rectal exam performed yearly, beginning at age 40. Different men have difference responses, but most say it is easier than many dental procedures. The vas deferens is as thin as a string. To do a reversal, the ends of the vas deferens are rejoined.
Some people decide to bank sperm before a vasectomy, just in case.
Sperm is put in a deep freeze for use in artificial insemination. This is costly, and the freezing process destroys many of the sperm. With the success of vasectomy reversals, few people bank sperm.