Montgomery County police are searching for a missing 31-year-old woman.
Laura Elizabeth Wallen last contacted family members on Sept. 3 by text message. Her family says they've been unable to contact her since.
Wallen, who teaches at Wilde Lake High School in Columbia was absent for the first day of classes, NBC4 reports.
Wallen is four months pregnant, 5'5" tall and weighs 200 pounds. She has blonde hair and blue eyes. Investigators believe she may be driving a black 2011 ford Escape with Maryland tags, M522473.
Anyone with information about Wallen's whereabouts is asked to contact police at 301-279-8000.