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 ...

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

Analysis of early human embryos reveals that DNA duplication after fertilization is highly inefficient. This causes DNA damage, chromosome breaks and abnormal numbers of chromosomes, impairing embryo ...

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 ...