Changes to a guy's anatomy are likely to make him nervous—even more so if he notices a surprising shift in his genitals. One condition to be on the lookout for is a varicocele, or an enlarged vein in your scrotum. It's important to learn more about this health issue and what you can do to reduce pain and symptoms so you can keep potential fertility-related problems at bay.

What is a varicocele?

A varicocele is an enlargement of a vein within your scrotum, or the skin that holds your testicles in place. Varicoceles are similar to varicose veins in the legs. They most commonly occur on the left side of the scrotum, can get larger and more noticeable over time and may lead to testicular shrinkage. Varicoceles affect about 10 to 15 out of 100 males.

What are the symptoms of varicoceles?

Varicoceles are often described as looking like a "