A woman was sentenced to four years in prison for brutally smashing her 6-month-old baby's skull and recording the incident to send it to her partner to get his attention. Kim Frost, 37, of Nether Jackson Court, Northampton, in England, pleaded guilty to child cruelty and neglect Friday, BBC reported.

According to reports over the weekend, the child's injuries were similar to being hit by a car. The baby suffered multiple fractures to the skull and bleeding in the brain. The judge said the woman caused "serious physical harm" to the baby in a "prolonged episode of abuse."

"I’m satisfied you are guilty of prolonged and serious neglect and that the severe injuries suffered by the victim were non-accidental and were caused at your hand, made worse by your failure to obtain medical help. It’s clear to me the most serious injury, the principal focus of our proceedings – the injury to the child’s skull – was caused by significant force," Judge Michael Fowler told Frost during the sentencing, according to U.K.'s Metro.

"It’s also clear that you showed deliberate disregard for the child’s welfare in order to seek and gain attention of the man you were in a relationship with at the time," the judge added.

The court heard that Frost was in a "toxic relationship" with her partner when she attacked the baby. The judge said that he was handing down the sentence after being aware of the fact that Frost was not "behaving rationally" at the time of the incident.

Authorities said that Frost sent videos of the abuse to her partner, who later called police and reported the incident. Police arrived at the scene and the baby was rushed to hospital with multiple skull fractures and brain swelling.

"This has been an extremely difficult case... The evidence has been particularly harrowing, depicting such severe injuries inflicted on a very young, vulnerable person at the hands of an adult," Kirstie Brooks, of Northamptonshire Police’s child protection team, reportedly said, adding that the child has made a full recovery.

In this photo, a view of 'Handcuffs' by Ai Weiwei at the UNITAS 2nd annual gala against human trafficking can be seen at Capitale in New York City, Sept. 13, 2016. Gustavo Caballero/Getty Images