Yes, a man can undergo surgery to enhance his fertility and thereby increase the chances of having children. Men's fertility issues often stem from conditions such as varicoceles, blockages in the sperm transport system, or problems affecting sperm production and quality. In such cases, various surgical interventions are available. For instance, varicocele repair can improve sperm count and motility. Blockages in the sperm transport system can be addressed through procedures such as vasectomy reversal or vasoepididyostomy. It's crucial to consult with a healthcare professional who will guide the decision based on individual circumstances and the specific cause of the fertility issues. Remember that surgery is only one part of a comprehensive approach to addressing male fertility issues, which can also involve lifestyle modifications and other treatments as necessary.