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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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Physiological changes in pregnancy :
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The correct answer is  *The functional residual capacity and residual volume are decreased due to elevated diaphragm. GFR increases by 50% Cardiac output increases by 40% Hemoglobin and hematocrit decreases. Reference : William's Textbook of Obstetrics 24th edition page 62