This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Care of the Pregnant Woman, Subject name: Gynaecology & Obstetrics
[{'content': 'Pregnancy iron metabolism- \nSelect and explain. \nA. Increase serum iron in, B. Increase serum vitamin b 12, C. Increase folate in blood, D. Increase total iron binding capacity', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Increase total iron binding capacity Physiological changes in iron etabolism during pregnancyo In the second half ofpregnancy the daily iron requirement is 6 - 7 gm.o Serum iron concentration decreaseso Serum ferritin decreaseso Serum total iron binding capacity increaseso Percentage saturation (serum ferretin/ serum TIBC) decreaseso Serum transferrin increases", 'role': 'assistant'}]