Since its inception in 1978, in vitro fertilization (IVF) has provided a pathway to parenthood for millions, with over 8 ...

The team was led by Dr. Jonathan Yuin-Han Loh. At the earliest stages of life, the blastocyst—a highly organized structure critical for implantation—begins to form. Its development is tightly ...

However, to create ES cell lines, it is necessary to destroy preimplantation embryos at the blastocyst stage of 100–200 cells. Many people believe that life begins at conception and that ...