This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Obstetrics, Subject name: Gynaecology & Obstetrics
All the following can cause DIC during pregnancy except: 
Select and explain. 
A. Diabetes mellitus, B. Amniotic fluid embolism, C. Intrauterine death, D. Abruptio placentae
A: Diabetes mellitus
Answer: A: Diabetes mellitus 
Explanation: DIC is always secondary to an underlying disorder Its associated with Sepsis Trauma Malignancy Severe transfusion reactions Obstetric complications Amniotic fluid embolism Abruptio placentae HELLP Retained dead fetus syndrome (release of tissue thromboplastin from feto-placental unit)