A father accused of murdering his deformed baby son has denied ever hurting him.
Mohammed Miah, 37, is on trial at the Old Bailey with partner Rebeka Nazmin, 31, accused of killing their three-month-old son Rifat in July last year.
During his 13 weeks of life, Rifat suffered "systematic abuse" that left him with 38 rib fractures, eight fractures to his legs and a broken spine, jurors were told.
The terrible injuries were caused by "squeezing" his chest and twisting or pulling on his limbs, the Old Bailey heard.
The baby was also allegedly hit with the cord of a mobile phone charger and burned on a radiator, the court was told.
After Rifat died, his mother allegedly told authorities that Miah had a problem with their child's deformed hand and had abused him because of it.
Both parents allegedly tried to cast blame for Rifat's injuries on another child, who cannot be named for legal reasons.
Giving evidence for the first time, Miah broke down in tears when he described how children were "the most important thing" in his life.
Asked by defence lawyer Louise Sweet QC if he had ever assaulted his son, Miah replied: "No."
He told the court: "I love them (children), they mean the world to me."
The court heard that Rifat had a deformed hand and ear, but the family were seeing a plastic surgeon who was confident of being able to operate on the boy once he reached his second birthday.
Admin worker Miah, who was born in Birmingham, told the court: "When Rifat was born, it completed me. I felt complete. And I was open to having more kids."
Asked by Ms Sweet about Rifat's deformity, Miah replied: "I just wanted to know what he would be able to do with his hands and where we go from there."
The defendants, of Poplar, east London, deny murder and causing the death of Rifat.
The pair are further charged with causing or allowing Rifat to suffer serious physical harm between March 31 and July 6 last year.
Miah, described in court as becoming "significantly overweight" following the death of his father in 2014, is also accused of cruelty towards two other children, who cannot be identified, on July 4 last year.