<prompt> Most common cause of DICObstetric complicationsCyanotic heart diseaseMalignanciesExtensive bums  <response>: Ans. a Obstetric complicationsRef: Harrison 18th edpg 1390The most common causes are bacterial sepsis, malignant disorders such as solid tumors or acute promyelocytic leukemia, and obstetric causes. DIC is diagnosed in almost one-half of pregnant women with abruptio placentae, or with amniotic fluid embolism 