Leftover embryos challenge fertility clinics, couples
Tens of thousands of embryos are stuck in limbo in fertility clinics, leftovers from pregnancy attempts and broken dreams of parenthood....
Prospect of Synthetic Embryos Sparks New Bioethics Debate
An “embryoid” created from stem cells shares key features with a real human embryo, like an amniotic sac, but lacks other elements. Yue...
U.S. panel gives yellow light to human embryo gene editing
Editing the DNA of a human embryo to prevent a disease in a baby could be ethically allowable one day—but only in rare circumstances and...
