Infertility. A varicocele may well bring on problems fathering a child, but not all varicoceles induce infertility. Every testicle provides a spermatic cord Keeping it up. The spermatic cord has veins, arteries, and nerves. The veins have valves that preserve blood flowing in a single way – towards the guts. https://www.sgvascularctr.com/a-guide-to-varicocele-treatment-in-singapore/