The Endowment for Human Development (EHD) does not appear to have any position on abortion (or any other bio-ethical issue for that matter), but visitors who have a functioning conscience will be impressed that their website offers an enormous body of scientific evidence which supports the baby’s claim to rights of personhood.
This 4 week embryo is 2 weeks older than the embryos being killed to harvest their stem cells. In 2 more weeks, his brain will be producing measurable brainwaves.
CBR advocates numeric limits on in vitro creation of embryos (no more than will be implanted at one time) and opposes attempts to implant more than mothers are willing to bring to term. We encourage embryo adoptions.