Why? Can't we just harvest more embryos?
Leading doctors will today call for more parents to be allowed to store their babies' stem cells on the NHS.
Cells taken from the blood of the umbilical cord can be used to treat conditions such as childhood leukaemia.
Link.
These doctors don't get it. It's a heckuva lot more fun to get stem cells from dead (killed) babies. Where's the ideological fun in getting stem cells from something as disposable as an umbilical cord?