Amber Portwood Hospitalized Alleged Suicide Attempt

6/14/2011 12:10 PM PDT

Amber Portwood Hospitalized, Alleged Suicide Attempt

"Teen Mom" star Amber Portwood was rushed to the hospital hours ago in Indiana -- after she allegedly threatened to take her own life ... TMZ has learned.

Cops in Anderson, IN tell TMZ, someone called police from Amber's home -- claiming the 21-year-old "was depressed and threatening to end her life."

According to law enforcement, Amber did not appear to be injured when cops arrived -- and she was promptly taken to a nearby medical facility for further evaluation.

We're told Amber is still in the hospital.