<prompt> Pregnancy iron metabolism-Increase serum iron inIncrease serum vitamin b 12Increase folate in bloodIncrease total iron binding capacity  <response>: 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 