Zapped human eggs divide without sperm
A trick that persuades human eggs to divide as if they have been fertilised could provide a source of embryonic stem cells that sidesteps ethical objections to existing techniques. It could also be deployed to improve the success rate of IVF.
But Josephine Quintavalle of Comment on Reproductive Ethics, a London-based pro-life lobby group greeted the new procedure with caution. “I’d be happier if it was beyond all reasonable doubt that it could not become a human life.” She added that women must not be exploited to provide eggs.
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