This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Antepartum Haemorrhage, Subject name: Gynaecology & Obstetrics
All of 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: Ans. is a, i.e. Diabetes mellitusDIC is a pathological condition associated with inappropriate activation of coagulation and fibrinolytic system. It is a secondary phenomenon resulting from an underlying disease state.Obstetric conditions associated with DIC:More commonLess common* Intrauterine fetal death* Chorioamnionitis* Amniotic fluid embolism* Pyelonephritis in pregnancy* Pre eclampsia- Eclampsia* H. mole* HELLP syndrome* Instillation of intraamniotic hypertonic saline* Placenta Abruption* Feto maternal bleed* Septic Abortion* Incompatible blood transfusion* Viremia -HIV, varicella, CMV hepatitis. COGDT p 997Pathogenesis: