The sperm and the egg cell's nuclei compete for size directly after fertilization and this is necessary for proper embryonic ...

A new discovery by researchers at the RIKEN Center for Biosystems Dynamics (BDR) in Japan upends decades of assumptions regarding DNA replication. Led by Ichiro Hiratani and colleagues, the ...

Scientists have successfully created mechanical force sensors directly in the developing brains and spinal cords of chicken embryos, which they hope will improve understanding and prevention of birth ...

Scientists have gotten an unprecedented look at how the human embryo implants in a uterus. They did this by creating very primitive, womb-like environments in the lab. "This is really important work ...

The development of an embryo is one of the most fundamental processes in biology. Early in this process, it is determined ...

Meet Cody Robb, an IVF baby who became an embryologist to help others build families. Read his inspiring story and learn about IVF advancements.

An Ohio couple are proud parents to a baby boy who was delivered last week and developed from an embryo in frozen storage for 11,148 days, believed to be the longest storage time before a successful ...