This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Physiological changes during Pregnancy, Subject name: Gynaecology & Obstetrics
[{'content': 'Total amount of iron needed by the fetus during entire pregnancy is: \nSelect and explain. \nA. 500 mg, B. 1000 mg, C. 800 mg, D. 300 mg', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. is d, i.e. 300 mgRef. Dutta Obs. 7/e, p 55, Shiela Balakrishnan TB of Obstetrics 1/e, p 336In a normal pregnancy, the total amount of iron required by a pregnant female is 900-1000 mg. This is because of the following needs--Total amount of iron required during pregnancy is 1000 mg, i.e 4-6 mg/day which can be calculated as:*Fetusandplacentarequire-300mg*GrowingRBCofthemotherrequire-500mg*Lostthroughsweat,urineandfaeces-200mg *Lostatthetimeofdelivery-200mg [?][?][?][?][?] 1200* Amount of iron saved d/t amenorrhea - 300 mgSo approximately (1200-300=)900-1000mg is required during pregnancy.From the above calculations, it is clear that amount of iron required by fetus is 300 mg.', 'role': 'assistant'}]