Jehovah's Witnesses refuse the transfusion of blood and blood products, even when it can be lifesaving. Their religious conviction against receiving blood can create a difficult clinical dilemma, particularly in the life threatening situations. We report a case of a 42-year-old female Jehovah's Witness patient who had life-threatening anemia after postpartum hemorrhage. Despite severe anemia, she had a good postoperative recovery without complications.