The first steps of human development—those that occur within the first few weeks of pregnancy—remain mysterious in many ways. Within a week of fertilization, human embryos form a blastocyst, which ...

"Preimplantation genetic testing for aneuploidy (PGT-A) has emerged as a powerful tool in assisted reproductive technology, offering the potential to enhance the chances of successful embryo ...

Pluripotent stem cells — which have the ability to differentiate into any cell type in the body — have enormous potential for regenerative medicine and for uncovering the developmental biology ...