<prompt> Which of the following is the most common cause of clinically significant consumptive coagulopathy?Abruption placentaIUCDDead fetusRetained products of conception  <response>: One of the most common causes of clinically significant consumptive coagulopathy in obstetrics is placental abruption. Major mechanism of consumption coagulopathy are Disseminated intravascular coagulation DIC and to a lesser degree retroplacental bleeding. It is associated with hypofibrinogenemia less than 150mgdl, raised D dimer and fibrin degradation products, and low level of coagulation factors factor V, VIII. 