Her lawyers asked senior judges if she could challenge July's verdict after being found guilty of attempting to kill a newborn known as Child K following a retrial.
But after yesterday's hearing in London, three judges dismissed the former nurse's bid.
Letby, 34, was found guilty in August 2023 of murdering seven babies and the attempted murder of six others at the Countess of Chester Hospital between June 2015 and June 2016.
Her lawyers argued her retrial was unfair because the jury was prejudiced by media coverage of the original trial.
Denne historien er fra October 25, 2024-utgaven av Daily Express.
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Denne historien er fra October 25, 2024-utgaven av Daily Express.
Start din 7-dagers gratis prøveperiode på Magzter GOLD for å få tilgang til tusenvis av utvalgte premiumhistorier og 9000+ magasiner og aviser.
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Arteta's boys go all Guns blazing
MARTINELLI SPARKS A FIVE-GOAL SPREE
IT'S DUTCH A DEBACLE FOR CITY
Chaotic defending wrecks night as troubles continue
THE REAL DEAL
Slot wary of side who never know when they are beaten
£2.2m Lottery syndicate winner caught in police child sex abuse sting
A CHARITY worker who won a share of a National Lottery windfall has been jailed for child sex abuse following a police sting.
Five found alive day after yacht capsizes
TWO Britons were last night understood to be among seven people missing after a tourist boat sank off Egypt's Red Sea coast.
Brit who was the world's oldest man dies aged 112
THE Briton who at 112 was the world’s oldest man has died peacefully in his care home.
Glastonbury-bound Rod: I don't want to talk about retiring
Rocker to play festival legends slot aged 80
Bath risks gaining new reputation as shoplifters' haven
ELEGANT Georgian Bath - home of Jane Austen costume dramas - is suffering a shoplifting epidemic, rising faster than anywhere else in Britain.
'I can't believe I've just won Bake off!'
Georgie's joy as she lifts competition trophy for Wales
Southport teacher: Use dead girls' memories as driving force for change
A DANCE teacher who was injured in the Southport knife attack that left three little girls dead has insisted that the victims’ memories should serve as a driving force for change.