The day when human sperm and eggs can be grown in the laboratory has inched a step closer, with the discovery of a way to recreate a crucial developmental step in a dish 1. “Epigenetic reprogramming ...

Katsuhiko Hayashi pulls a clear plastic dish from an incubator and slides it under a microscope. "You really want to see the actual cells, right?" Hayashi asks as he motions toward the microscope.

This article was reviewed by Lynn Marie Morski, MD, JD. So, you’ve been told your swimmers are lacking a little bit. If you’re now wondering, Can a man recover from low sperm count?, the answer is ...

When you and your partner are trying for a baby, almost half the time the issue is linked to sperm health. One of the most important factors here is understanding how to increase sperm count naturally ...

In which we meet the pioneers of one of the most exciting — and controversial — fields of biomedical research: in vitro gametogenesis, or IVG. The goal of IVG is to make unlimited supplies of what ...