A woman who bit a policewoman on the thigh and then hit her in the face in Fremantle three years ago has been sentenced to six months jail.

Daniell Staskos was arrested in January, 2013, after she was involved in a heated argument with her boyfriend and had to be restrained by three officers.

The injuries to the police officer.

A policewoman was then bitten on the inner thigh and elbowed to the face by Ms Staskos.

Ms Staskos was given the six-month sentence at the Fremantle Magistrates Court on Monday morning.