Varicocele: A varicocele is a swelling of veins from the testicles in the scrotum. It’s a major, but treatable, cause of male infertility. Genetic conditions: Mutations of the Y chromosome and ...

How to Perform a Testicular Exam. Regular check-ups of your testicles are necessary so that you can learn what is normal and abnormal for you. If you check your testicles regularly, in time you will ...