Who hasn't seen it before: the view through the microscope in which a sperm penetrates an egg cell and fertilizes it. This fundamental step in procreation happens dynamically and seemingly without ...

Scientists are developing a new way to help infertile women have babies. A mature cell from the woman's body is merged with a chromosome-free egg, to which sperm is later added. The scientists insist ...

Many people trying to conceive focus on ovulation, but fertilisation does not always happen at the exact moment. This article ...

Fertilisation marks the beginning of pregnancy, but many people wonder what really happens when sperm meets egg. One common question often confuses: Can more than one sperm enter the egg? This blog ...