What Is In Vitro Fertilization? In vitro fertilization (IVF) is a type of fertility treatment. IVF involves taking eggs removed from the ovaries, fertilizing them with sperm to create an embryo ...

A study found that adding tiny natural messengers from cow reproductive fluids to lab-grown egg cells boosts maturation, ...

Another technology important to the IVF process is cryopreservation of embryos — or freezing after the egg is fertilized. The Alabama Supreme Court ruled Friday that frozen embryos are children ...

The egg changes so that no other sperm can get in. At the instant of fertilization, your baby's genes and sex are set. If the sperm has a Y chromosome, your baby will be a boy. If it has an X ...

Fertilization begins when sperm navigate to an egg, guided by chemical signals. Once they reach the egg, sperm bind to the egg’s surface, initiating a fusion of their genetic material to form a ...

The reality is more nuanced. "Sex ed really oversimplified it: 'The egg has been fertilized and it has implanted,'" says Carmel Shachar, who runs the Petrie-Flom Center for Health Law Policy ...