Human embryos cultured in lab for record time a ‘major step forward’ that opens ethical debate

From ABC News in Science, 5 May 2016:

For the first time, scientists have kept human embryos alive in the laboratory for six days beyond the point at which it would normally implant into the uterus.

Two separate groups of scientists today report in Nature and Nature Cell Biology their successful development of human embryos in a petri dish for up to 13 days after fertilisation.

The research teams said the advance shines a light into an unexplored period of early embryonic development.

Meanwhile others said the development could open up discussion about the ’14-day rule’; a globally-agreed developmental cut-off beyond which scientific research is not permitted on human embryos. Read more.

 

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