Sperm Freezing: Who Should Consider It and Why Age Matters

Men's bodies make tiny cells called sperm, which are needed to help make a baby.

Sometimes, things like strong medicine for cancer can hurt a man's ability to make good sperm.

Sperm freezing is like putting a man's sperm in a special deep-freeze so it can be saved for later.

If a man needs to make a baby later, doctors can thaw the frozen sperm and use it to help.

Doctors say some men should think about freezing sperm, especially before cancer treatment.

Men who want to wait a long time before becoming fathers might also think about it.

Growing older can slowly change how good a man's sperm is, but there's no one perfect age to freeze it.

Freezing sperm doesn't promise that a baby will happen later — it just saves the sperm a man has right now.

Doctors say the decision is personal and men should talk to a fertility doctor first.