An experimental treatment significantly improves the quality of human eggs and increases the proportion that can be used for ...

When sperm meets egg, the start of life is not quiet. Under a special microscope, researchers have watched a tiny light show at fertilization. They see a microscopic flash at fertilization, a burst of ...

A new study from Karolinska Institutet shows how a small antibody fragment can block fertilization by targeting a key protein on the surface of the egg. This discovery brings a non-hormonal ...