Why doesn’t a ‘good’ embryo always lead to pregnancy in IVF? Explore key factors beyond embryo quality that affect IVF ...

The major objection to the use of embryonic stem cells for scientific research seems overcome by the promising development of a way to extract cells and propagate stem cell lines without killing the ...

People undergoing assisted reproduction view embryo transfer as their final step after completing an exhausting marathon. A ...

Some newly reported clumps of cells growing in lab dishes have been hailed as the closest things to human embryos that scientists have ever made in the lab. These entities are human embryo models — ...