A controversial new IVF method being researched in the US has produced promising results. So far the studies have been done on human embryos in the lab and monkeys. The technique is used to reduce transmission of mitochondrial disease from mother to child. A public consultastion on the ethics of using this techenique in UK is underway the results of which are expected next spring.
Source BBC News & HFEA
Find out more here http://www.bbc.co.uk/news/health-20032216
and at the HFEA http://www.hfea.gov.uk/7517.html