As you age, your fertility slowly declines. By freezing eggs or embryos when you’re young (usually under the age of 40), you can preserve your eggs’ health and, through in vitro fertilization (IVF), ...

One of the first documents patients sign when starting in vitro fertilization asks them to consider the very end of their treatment: What would they like to do with extra embryos, if they have any?

Scientists are exploring ways to mimic the origins of human life without two fundamental components: sperm and egg. They are coaxing clusters of stem cells – programmable cells that can transform into ...

The “world’s oldest baby” has been born from an "adopted" embryo created in 1994. This week we welcomed a record-breaking baby to the world. Thaddeus Daniel Pierce, who arrived over the weekend, ...

Some newly reported clumps of cells growing in lab dishes have been hailed as the closest things to human embryos that scientists have ever made in the lab. These entities are human embryo models — ...

Emma Gibson was conceived on Oct. 14, 1992. However, rather than being born nine months after conception, she was frozen as an embryo. More than 24 years later, she was thawed and, following IVF, was ...