582. Abruption risk factors, usual precipitant, sx, features of severe abruption, utility of ultrasound in dx November 3rd, 2008 by reuben in pregnancy Back Top Tags: card 581. Molar pregnancy sx, dx, complications / What is aburptio placentae and where does the blood go? 583. Consequences of placental abruption, ddx / Placenta previa presentation, definition, risk factors, warnings for physicians Leave a Reply Cancel reply Please post any discussion to the emupdates Reddit page.