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Frozen embryos 'boost for IVF'

Frozen embryos are more likely to produce successful, complication-free IVF pregnancies than those that are fresh, research suggests.

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Frozen embryos study 'counter-intuitive'

The results of this analysis are counter-intuitive since 'second best' embryos are generally selected for storage, and are then subjected to freezing and thawing procedures each of which carries risk.

Albeit that the findings are difficult to explain, they are important in that they provide reassurance for cryopreservation programmes about short-term outcome.

– Professor Peter Braude, Department of Women's Health at King's College London

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