Problem: A 34-year-old woman presents for advice on contraceptive options. She had a baby one month ago via spontaneous vaginal delivery and has been using condoms since the delivery. Her medical history was significant for pulmonary embolism and a deep venous thrombosis (DVT) four years ago, chronic liver disease, migraine without aura, coronary artery disease, and polycystic ovarian syndrome (PCOS). She admits to smoking tobacco. She denies drinking alcohol or using illicit drugs. Her family history is negative for breast and gynecologic cancer. Physical examination reveals a blood pressure of 112/78 mmHg, a pulse of 78/min, a respiratory rate of 12 breaths/min, and a temperature of 37 C (98.6 F). Which of the following patient factors is an absolute contraindication to using combined oral contraceptive pills in this patient? Need Assignment Help service? A. Liver disease B. History of venous thromboembolism C. Smoking D. Coronary artery disease