Discovering that you have a fertility problem can be an earth-shattering revelation—men may find it difficult to even admit to being infertile, let alone discuss it.

But the issue is more common than you may think. As many as 1 in 8 couples have problems conceiving a child, and about 30 percent of those cases are due to male infertility.

However, thanks to modern science and medical breakthroughs, there are many options available to improve your chances.

Check for a varicocele

One of the most common reasons for low sperm count—and, as a result, male infertility—is a varicocele, which is basically an enlarged vein in the scrotum. It can raise the testicular temperature, and that in turn reduces sperm production.

While a varicocele usually does not cause infertility, about 40 percent of men who are infertile have one.