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 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 ...

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

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

During in vitro fertilisation (IVF), a number of different embryos are produced from eggs and sperm. Then, embryologists choose which one of the embryos is most likely to lead to a successful ...