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.
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The release is the second batch in a series of leaks that have rattled the Democratic Party.
The rare 1901 edition of The Tale of Peter Rabbit will go under the hammer to mark the 150th anniversary of the author's birth.
After a relatively mild and quiet night, an episode of rain for many of us tomorrow.