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 ...

People use donor sperm to get pregnant for many reasons. A couple may use donated sperm due to male infertility. Single women or LGBTQIA+ couples may use a sperm donor to help them build a family.

You may know it takes one sperm and one egg to make a baby but, if you're like most people, you might not remember much else about sperm from biology class. If infertility is an issue for you and your ...

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 ...

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 ...

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 ...

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 ...

First it was human embryos. Now scientists are trying to develop another way to modify human DNA that can be passed on to future generations, NPR has learned. Reproductive biologists at Weill Cornell ...