Presumably, extra or damaged embryos are often destroyed, outraging those who liken this to what they see as the evil of abortion.

In situations where a mother's young dies, some mothers have an extra embryo to possibly rear another.

Mr. McClure, though, disliked the fertility business, which he felt created extra embryos that were often destroyed or aborted.

The couples are usually encouraged to store extra embryos to use in future attempts to become pregnant.

Virtually everyone, they say, wants their extra embryos frozen.

About half his patients have extra embryos and "it's a rare patient that doesn't say, 'freeze them.' "

In embryo donation, these extra embryos are given to other couples or women for transfer with the goal of producing a successful pregnancy.

And I most certainly would have preferred that the extra embryos be used for the support of life, rather than thrown away.

If all goes well and Mrs. Gemeny ends up with a baby, what would she do with the extra frozen embryos?

The cloning procedure was devised as a means for helping infertile couples conceive artificially, by producing extra embryos.