A primigravida had a vaginal delivery of a 7-pound baby 3 ho…

A primigravida had a vaginal delivery of a 7-pound baby 3 hours ago. The nurse assesses her uterus as firm, after 3 large clots are expressed. There is a continuous flow of blood vaginally. On examine 15 min later she continues to bleed continuously, her uterus is firm at U. The nurse should