The majority of fertilized eggs die and are resorbed into the body. ZEISS Microscopy/Flickr, CC BY-SA As an evolutionary biologist whose career has focused on how embryos develop in a wide variety of ...

Talk to a group of 100 people born in the United States, and chances are two of them were born as the result of in vitro fertilization, said Dr. Zev Williams, director of the Columbia University ...

As nearly one in six couples experience fertility issues, in-vitro fertilization (IVF) is an increasingly common form of ...

In the wake of the Alabama Supreme Court decision establishing that frozen embryos can be considered children, some IVF clinics in that state have paused operations -- because discarding embryos is ...

Artificial intelligence tools can now help choose the most promising embryos for in vitro fertilization (IVF), although ...

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 ...

In a tank across town, suspended in liquid nitrogen at -320°F, float my leftover embryos, whose future is unknown to me. From this batch, I have two children, and my husband and I feel confident our ...

For the first time, scientists have recorded a human embryo implanting into a womb in real time, a feat the researchers hope will lead to new ways to treat infertility and prevent miscarriages. "Being ...