(CNN) A judge has sentenced a 37-year-old Ugandan woman to 11 years in jail for performing female genital mutilation (FGM) on her three-year-old daughter, the UK's Press Association (PA) news agency reported.

The defendant was found guilty of the "barbaric" practice last month , becoming the first person to be convicted of the offense in the UK.

In sentencing at London's Old Bailey criminal court Friday, Judge Mrs Justice Whipple handed down an 11-year jail term and a further two years for possession of indecent images and extreme pornography.

"FGM has long been against the law and let's be clear FGM is a form of child abuse," PA reported the judge as saying.

"It's a barbaric practice and a serious crime. It's an offense which targets women, particularly inflicted when they are young and vulnerable."

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