Experts say it's possible that microplastics can have a direct toxic effect on sperm. (Getty Images) There has been a lot of talk in the past few years about global declines in sperm counts. Recent ...

Over the past 50 years, human sperm counts appear to have fallen by more than 50% around the globe, according to an updated review of medical literature. If the findings are confirmed and the decline ...

Thyroid-related fertility troubles are often undiagnosed, because the symptoms may seem mild or tied to stress or lifestyle.

Add Yahoo as a preferred source to see more of our stories on Google. Colton Underwood of The Bachelor fame learned that he had a low sperm count in the course of planning for a baby. (Noel ...

Low sperm count is a major cause of infertility in men. This means that the number of sperm per milliliter of semen, is too low. Some of the signs that indicate the possibility of low sperm count are ...

America's birth rate has been on a steady decline since 2007, and pronatalists − both in the White House and out − are determined to raise it. But an underdiscussed obstacle might be standing in the ...

(CNN) -- Scientists have long questioned whether human papillomavirus, or HPV, infections in men could affect their sperm health and fertility. Now, an early study finds that high-risk HPV infections ...

There has been a lot of talk in the past few years about global declines in sperm counts. Recent research found that sperm counts dropped by 1.2% per year on average from 1973 to 2018, with scientists ...