1.   But inherent in the diagnostic procedure is a presumption that defective embryos will be discarded.

2.   Because fertility clinics are not required to keep records, no one knows how many embryos are discarded, he said.

3.   Besides, he said, far more embryos are discarded at in-vitro fertilization laboratories than would be needed for the research.

4.   But she said medical cloning research would actually hurt spinal cord injury victims in the long run if embryos were discarded after cells were harvested.

5.   But she does not think that she would want the embryos discarded, she said.

6.   Embryos are discarded every day by clinics that fertilize eggs to implant in women who cannot otherwise conceive.

7.   Three couples in the last three years have asked to have their embryos discarded.

8.   Unused embryos can be discarded, but virtually every couple with extras wants them frozen.

9.   We then face a choice of simply discarding the embryos, or using them as sources for cells that can be used to save human lives.

10.   Livingston and other experts say the decision to have an abortion or discard an embryo is made independently and before any research or transplants would take place.