Kristen Michelle Vassar, 25, of Portsmouth, has been charged with three counts of involuntary manslaughter, two counts of child endangerment and two counts of drug possession, according to a news release from the Scioto County Sheriff's Office.
The news release said emergency personnel responded after dispatchers received a call regarding an unresponsive child.
Detectives said a 3-month-old was pronounced dead at the scene and evidence was collected during a search of the apartment.
Vassar is being held at the Scioto County Jail on a $180,000 bond.
