This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Medical & Surgical Illness Complication Pregnancy, Subject name: Gynaecology & Obstetrics
[{'content': 'Priscilla White classification is used in :-- \nSelect and explain. \nA. Gestational hypertension, B. Cardiac disorders in pregnancy, C. Gestational diabetes mellitus, D. Thyroid disorders of pregnancy', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Lady Priscilla White pioneered research into diabetic woman during pregnancy.The classification is based on age at onset of diabetes, duration of disease and the presence of atherosclerotic vascular disease and renal complications.', 'role': 'assistant'}]