This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Gynaecology & Obstetrics
[{'content': 'A 30 year old woman pare 6 delivers vaginally following normal labour with spontaneous delivery of an intact placenta. Excessive bleeding continues, despite manual exploration, bimanual massage, intravenous oxytocin and administration of 0.2 mg methergin IV, which one of the following would be the next step in the management of this patient : \nSelect and explain. \nA. Packing the uterus, B. immediate hysterectomy, C. Bilateral internal iliac ligation, D. Injection of PGF 2a', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Injection of PGF 2a', 'role': 'assistant'}]