Is it permissible to take sperm from the husband and preserve it for later insemination of the wife, if the husband is afflicted with cancer and the medications will affect the sperm?

Storing sperm in a special bank for insemination involves risks, and the process of artificial insemination itself necessitates uncovering the awrah (private parts). The scholarly disagreement regarding the storage of sperm for later insemination has been previously explained, and the most preponderant opinion is that such storage is impermissible.