Amber Portwood, 29, was arrested Friday at her home in Indianapolis by the Indianapolis Metropolitan Police Department. Police responded to the home on Anchorage Drive just after 3 a.m. for a disturbance, according to police records.
Andrew Glennon told officers that his live-in-girlfriend assaulted him while he was holding their one-year-old child.
The MTV star has two kids, ages 1 and 10. She and her boyfriend, Andrew Glennon, recently had a pregnancy scare on the Teen Mom OG.
Amber Portwood is preliminarily charged with felony domestic battery with a child under 16 present.
As fans know, Amber spent 17 months in prison in 2012 after violating her probation from a drug possession case.