Male infertility can have many causes, but a proactive approach can yield positive results.
These viral infections may impact a man's ability to conceive by diminishing sperm health.
The body's response to illness, fever and infection can contribute to infertility.
This condition prevents sperm from entering the ejaculate, but solutions are available.
An underactive thyroid could lead to sexual dysfunction and infertility.

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Don't let these false assumptions affect your option to undergo a relatively simple procedure.
A thyroid disorder is often an overlooked cause of infertility issues in men.
Misbeliefs about fertility—and a man's role in it—persist, despite the information available.
Two recent studies suggest the drink can increase sperm concentration and motility.
At-home test kits give basic information, but lab tests are better when fertility matters.
Inflammation in the genital tract can cause testosterone deficiency and a low sperm count.
Can a handful of herbs and amino acids give you results like a porn star? I decided to find out.
It's rare—especially in the U.S.—but this once widespread disease may affect sperm parameters.
Simply put, extreme fitness can negatively affect fertility, but it's complicated—and fixable.
Gamete morphology is as important as size and motility in terms of sexual health.