IVF is one of several techniques that exist to help people conceive when they have problems with fertility. Having a baby is not always easy and you can feel desperate if you don’t conceive quite as ...

Last month, hospitals and clinics were forced to stop all in vitro fertilisation (IVF) treatments after the Alabama Supreme Court ruled that frozen embryos are legally protected children. On 28 ...

Sperm washing is a process performed to separate healthy, motile (moving) sperm from the collected semen sample. When semen is collected, it contains not only sperm but also dead or weak sperm, ...

After fertilisation, the egg cell (purple) releases zinc ions (blue dots), which changes the shape of the green protein on the surface of a sperm. As a result, the sperm can no longer dock to the egg ...

A protein called CatSper1 may act as a molecular 'barcode' that helps determine which sperm cells will make it to an egg and which are eliminated along the way. The findings in mice, published ...