Dangelo Armendariz, 20, was arrested on Sunday. According to an arrest affidavit, Armendariz pushed his pregnant girlfriend several times, until she fell to the ground Saturday night.
Police say there were also previous incidents between Armendariz and the 17-year-old victim. Officers also found marijuana when they arrested him.
Now Armendariz is charged with assault and possession of marijuana in drug free zone. He's being held on $25,500 bond.