If a pair faces difficulty conceiving as a result of a male infertility cause, there are paths that may improve their chances in the majority of cases by isolating and employing the very best quality sperm from a sample or by using procedures that assist the sperm in reaching the ovaries. Further, a person can make preparations for an infertility cause that is a result of age, cancer treatments or vasectomy reversal by saving healthy sperm samples ahead of time. In the very rare case of a man who produces no practicable sperm (as in the xx male syndrome), then donor material can be considered.