Trial began this week in the stabbing death of a pregnant teen whose boyfriend allegedly killed her when she refused to have an abortion.

17-year-old Ryan Matthews is on trial for the murder of his 16-year-old pregnant girlfriend, Arrjiana Hill.

The girl’s younger brother found her murdered in her Texas home March of 2014.

According to the Houston Chronicle, Assistant Brazoria County District Attorney Travis Townsend told jurors he and fellow prosecutor Kurt Sistrunk would show that Matthews, 16 at the time, killed Hill at her family’s Pearland home during a tryst because he feared that his college and sports careers would be ruined if she gave birth.

According to Pearland, Texas police, Hill was pregnant with twins at the time of her death and a paternity analysis determined the Matthews was the father.

A local news report states that when Hill told Matthews that she missed her period…