This is especially relevant during embryo development. When the embryo is first formed after fertilization, each cell can become any type of cell, including brain cells or even placenta cells.

A human embryo typically implants five to six days after fertilization (when egg and sperm meet). At this stage, the embryo ...

Analyzing embryo movements in uteruslike environments could offer clues to improving the success rate of in vitro ...

We’ve only been able to study the first few days of the human embryo in real time, prior to implantation. After that, most research looks at snapshots of embryo development, usually taken of ...

Sixty percent of miscarriages are caused by the failure of an embryo—the developmental stage before a fetus—to implant in the ...