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

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

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 ...

Among those causes are gametes that don't function properly, whether that's the sperm, the ova, or a combination of both. Somatic cell nuclear transfer (SCNT) is a form of IVG in which the nucleus of ...

(BOSTON) — More than one-sixth of adults around the world experience infertility in their lifetime. There is a high unmet need not only for increased access to affordable, high-quality fertility care ...

An innovative use of skin cells could provide a route for same-sex couples or women with fertility problems to have children ...

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

Special proteins -- known as membrane transporters -- are key to the mobility of sperm cells. A research team has, with the aid of cryo-electron microscopy, succeeded in decoding the structure of such ...

New research shows it's possible to reprogram skin cells into eggs that can be fertilized in the lab, though it's just a proof of concept for now. reading time 3 minutes A team of scientists has ...

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 ...