Lucy Letby killed a ‘miracle IVF baby’ (Picture: Getty/AP)

The parents of a miracle IVF baby murdered by Lucy Letby say the killer nurse is a ‘hateful human being’.

Referred to only as Baby E and Baby F, the couple’s twins were born prematurely and put under the evil nurse’s care while their mother was recovering from a caesarean section.

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After the birth, when the un-named mum was delivering breast milk to her newborns, she heard ‘wailing which shouldn’t have come out of a baby’.

She found Baby E with ‘blood around his mouth’, and was soon told to hold her baby so ‘he could die in her arms’.

The mother of the babies told BBC Panorama: ‘We were actually told we would never have our own children.

‘Letby has taken everything from us – absolutely everything.

‘I think she is a hateful human being’.

Letby faces life behind bard (Picture: EPA)

She was found guilty of murdering six babies and the attempted murder of seven others (Picture: Chester Standard/SWNS)

The family had not even meant to have the baby at the Countess of Chester Hospital, where the serial killer worked. It wasn’t the closest to them – but when the day came it was the only ward with room for them.

After losing Baby E, Baby F suddenly deteriorated and became critically ill within just 24 hours of his sibling’s death after Letby attempted to murder him.

‘I said to my husband: ‘Please, not again, we – we can’t do this again, this can’t be happening,’ she said.

She remained at his cot for the rest of the night, and medics were able to save Baby F.

But ‘he’s living with the consonsequences’ of Letby’s attacks, and has been left with severe learning difficulties and ‘a lot of complex needs’.

Letby was described as an ‘opportunist’ who became ‘persistent, calculated and cold-blooded’ in her determination to kill(Picture: PA)

Letby faces the rest of her life behind bars after being convicted or murdering seven babies and trying to kill six others during a horrific year-long poisoning spree.

She targeted the vulnerable infants while working on the neonatal unit at the Countess of Chester Hospital between June 2015 and June 2016. 

Prosecutor Nick Johnson KC told the jury she was ‘the constant malevolent presence when things took a turn for the worse for these children’. 

Letby, he said, was an ‘opportunist’ who became ‘persistent, calculated and cold-blooded’ in her determination to kill, sometimes attacking the tiny babies multiple times. 

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‘Letby has taken everything from us – absolutely everything.’