Gynaecology & Obstetrics The most impoant cause of the coagulation failure in obstetrics is: September 2012 A Intrauterine fetal death B Accidental hemorrhage C Placenta pre D Rupture of the uterus 💡 Explanation The most impoant cause of the coagulation failure in obstetrics is: September 2012 ✓ Correct Answer: B. Accidental hemorrhage