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': 'Maximum cardiac output in pregnancy is at: \nSelect and explain. \nA. 20 weeks, B. 24 weeks, C. 26 weeks, D. 28 weeks', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. is d, i.e. 28 weeksRef. William 24/e, p 59The following graph of Williams shows cardiac output during pregnancy and labor.As is clear from the graph cardiac output is maximum at 28-32 weeks of gestation.Note: At term cardiac output is less in comparison to 28-32 weeks.', 'role': 'assistant'}]