This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pharmacology
[{'content': 'Abruptio placentae can be classified on the basis of NOT RELATED - GYN \nSelect and explain. \nA. Anatomic locations of placenta, B. Pathological features including blood coagulation profile, C. Clinical findings, D. Investigations using ultrasound', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Abruptio placentae is classified in 4 grades - grade 0 to grade 3 according to case classification. Depending upon the degree of placental abruption and its clinical effects including bleeding per vaginum, uterine tenderness, condition of fetus, features of shock, associated coagulation defect and kidney function, cases are classified into four grades.', 'role': 'assistant'}]