Under the new guidelines, the National Institutes of Health will provide a review process by which scientists will be able to use many of the hundreds of cell lines that have since been created with private funds. And scientists will be able to use new stem cell lines provided they come from surplus fertility embryos that were donated under strict ethical rules.
Those rules stipulate that donors must be fully informed that any embryo donated for research would be destroyed in the process and that there are other choices for disposing of surplus embryos. Donors must also give written consent at the time of donation, have the right to change their minds and must not receive payment for the donation or expect medical or financial benefits later.
from NYTimes