<prompt> All of these are physiological changes in pregnancy except?Increase in blood volume by 30-40Serum fibrinogen increases by 50Increase in platelet countDecrease in packed cell volume  <response>: There is decrease in platelet counts in pregnancy which is also known as gestational thrombocytopenia Lower platelet concentrations are paially due to hemodilution Platelet consumption is likely augmented because of splenic enlargement There may be an element of hypersplenism, in which platelets are prematurely destroyed 