See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. When it comes to male fertility, not all sperm are created equal. In an ...

There are countless facts regarding sperm, the male reproductive cells. For this reason, it can be hard to split truth from myth. Although many people have some knowledge about sperm, many ...

The sperm donation process is a lot more than just a quick way to make cash. In fact, the process is far from quick and that's one of many misconceptions about sperm donation and donor selection ...

Human semen not only accumulates genetic mutations with age; as the percentage of sperm carrying potentially serious mutations increases, so does the risk of developing diseases in offspring. This is ...

Many of us still believe some pretty unscientific, long-standing myths about sperm, semen, and male fertility. From sperm speed to nutritional makeup, here are 12 of the most popular urban legends. In ...

Sperm morphology refers to the size and shape of individual sperm. It is one contributing factor to male fertility. The range for sperm morphology can vary. Share on Pinterest The size and shape of ...

A long-standing question in natural reproduction is how mammalian sperm navigate inside female reproductive tract and finally reach the egg cell, or oocyte. Recently, fluid flow was proposed as a long ...