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OTRC: Amber Portwood of 'Teen Mom' released from jail after being charged with domestic violence

Amber Portwood and ex-fiance Gary Shirley appear in a television interview on MTV following their on-air violent confrontation in September 2010. (MTV)

Amber Portwood, who starred on the MTV reality series "Teen Mom," has been released from jail about a day after she turned herself in to police to face charges of felony domestic battery and child neglect.

The 20-year-old is accused of hitting ex-fiance Gary Shirley in front of their baby daughter. She was freed on Tuesday afternoon, People magazine reported, adding that an Indiana court automatically entered a not guilty plea for her before she was released. Portwood has not commented. She faces up to three years in jail if convicted.

Portwood was seen punching and screaming at Shirley several times in a September episode of "Teen Mom" but has denied striking him in front of their daughter, Leah, who is now 2.

ABC News Indianapolis affiliate WRTV said she was charged following an investigation that was spurred by footage captured during the taping of "Teen Mom." It quoted a detective as saying she attacked Shirley in front their child several times over the summer.

"On Aug. 14, 2009 ... Portwood shoved Shirley against a wall, slapped him on the face and choked him," Detective Mitch Carroll of the Anderson police department told the station, describing one occurance. "The incident was witnessed by the couple's 1-year-old child, who sat in a child seat on a nearby bed."

"I have no clue why I hurt Gary," Portwood said in an interview with MTV in September. "I never notice how bad I am until I see it. I feel so terrible and it's like, 'Did I really do that?' 'What the hell was I doing?' I don't treat him like the way I feel. I just go a lot farther than most people would. I have a lot of problems, plus I don't care about myself, so it's like, it's whatever happens, happens. I hate it."

MTV said in statement last month that it is "cooperating with all parties" and hopes "for a quick and fair resolution that allows everyone involved to move forward in a positive manner."

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