Once a sperm has broken through to an egg cell in order to fertilize it, the two cells need to hold together tightly. This ...

Once a sperm has broken through to an egg cell in order to fertilise it, the two cells need to hold together tightly. This ...

Researchers at Oregon Health & Science University (OHSU) have developed a remarkable new way for making human body cells ...

Researchers have created human embryos by taking nuclei from ordinary skin cells, placing them into donated eggs, and ...

More work needs to be done to create viable human embryos, but the method might someday be used in IVF to help infertile people and male couples.

and eggs carry half the chromosomes as nonreproductive cells in the body do. During fertilization, an egg's 23 chromosomes combine with 23 chromosomes from a sperm cell, resulting in a total of 46. To ...

Sex cells made from scratch could revolutionize human reproduction. But researchers are struggling to translate promising ...

Sperm cells are known to prefer cooler temperatures. For quite some time, a puzzling question for scientists has been: how do temperature-sensitive swimmers actually operate effectively within the ...

It may soon be possible to coax human skin cells into becoming functional eggs and sperm using a technique known as "in vitro gametogenesis." This involves the creation (genesis) of eggs and sperm ...

Researchers are inching closer to creating human eggs and sperm in the lab that carry a full complement of anyone's DNA. It could revolutionize... Creating a sperm or egg from any cell? Reproduction ...

Researchers at Oregon Health & Science University have accomplished a unique proof of concept to treat infertility by turning ...

The embryos weren’t used to try to establish a pregnancy, but the researchers behind the technique say it could one day be ...