Tariq Khan, 26, has pleaded guilty to the murder of his pregnant wife Nadia Khan, the destruction of her unborn child and assault by beating.
Mother-of-two Mrs Khan, 24, was stabbed to death at her home in Holker Street,Manningham, Bradford, on June 14.
Mrs Khan, who was six months pregnant, suffered fatal stab wounds to the chest. She died shortly after. Her body was found inside the house by police and paramedics.
Khan entered his guilty pleas when he appeared before the Recorder of Bradford, judge Roger Thomas QC, at Bradford Crown Court today.
Judge Thomas remanded him in custody to be sentenced on October 16 and warned him that he would receive the mandatory life sentence.