Men are able to freeze their sperm for use in their own future treatment or to donate to someone else’s treatment. Donated sperm usually has to be quarantined for three or six months and screened for infections before it can be used by a recipient. The length of quarantine is dependent upon the type of screening tests that your clinic carries out.
You may want to consider freezing your sperm if:
You have a condition, or are facing medical treatment for a condition, that may affect your fertility
You are about to have a vasectomy and want sperm available in case you change your mind about having (more) children.
you have a low sperm count or the quality of your sperm is deteriorating.
You have difficulty producing a sperm sample on the day of fertility treatment.
You are at risk of injury or death (for example, you’re a member of the Armed Forces who is being deployed to a war zone).
If you're a male transitioning to a female, you may want to preserve your fertility before you start hormone therapy or have reconstructive surgery. Both treatments can lead to the partial or total loss of your fertility.