A stage of development which, in humans, lasts for eight weeks after the fertilised egg first starts to divide.
A mother who gave birth to another woman's child after a mix-up at a New York fertility clinic has decided to hand the baby back to its biological parents. Donna Fasano gave birth three months ago to twin boys - one white and one black - after her fertility...
Research using cloned human embryos should be allowed for the development of tissue and cell therapies, the Australian Academy of Science (AAS) declared in a statement released last week. The AAS statement says that because of recent breakthroughs in the isolation of embryonic stem cells and the development of cloning...
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