One embryo transfer per IVF cycle?

Women undergoing routine IVF in the UK should only have one embryo implanted, fertility experts have recommended.

Current practice is to transfer two embryos into the womb during treatment. According to the group, the new proposal will drastically reduce the rate of multiple births, which are dangerous for both babies and mothers. CORE welcomes this proposal and its focus on fetal and maternal health. However – will this reduction result in more ‘surplus’ embryos? It appears that in the countries who have implemented this approach (Sweden, Belgium, Finland, and one Australian State) far from resulting in more left-over embryos, there have been fewer, and the successful pregnancy rates have not been affected. This is certainly a step in the right direction.
http://news.bbc.co.uk/1/hi/health/6062530.stm

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