The Corner

Cloning and South Korean Scientists

The South Korean scientists who made that huge cloning announcement last week–the first successful cloning of human embryos–have stopped working with human eggs and embryos, at least for now, due to ethical concerns.

As one expert sums it up: “The skinny seems to be that someone in Korea put pressure on them, on the

subject of exploitation of egg donors. They did the math: the Koreans in

their Science paper said they had collected 242 eggs from 16 women. That’s

about 15 eggs per individual woman, apparently all at one time, which means

they would have used some pretty extreme superovulation techniques on these

volunteers. “

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