This article looks at how cancer can affect male fertility and what can be done about it. Cancer treatments can harm sperm quality, making it harder to have children. Some cancers, like testicular cancer and Hodgkin's disease, are particularly tough on fertility. The study discusses how cancer treatments can damage sperm-making cells, and fertility centers use techniques like freezing sperm to help men save their fertility. Boys with cancer can also get special care to protect their future ability to have kids. New methods like freezing reproductive cells and tissues offer hope for male cancer patients wanting to be parents. The article also talks about guidelines for treating male cancer patients and the ethical issues around freezing sperm for future use.