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Scientists Grow 13-Day-Old Embryos Outside Womb

Scientists have for the first time grown human embryos outside the mother for almost two full weeks into development, giving unique insight into what they say is the most mysterious stage of early human life. Scientists had previously been able to study human embryos as a culture in a lab dish only until the seventh day of development, when they had to implant them into the mother's uterus to survive and develop further. But using a culture method previously tested to grow mouse...

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