A Woman at 39 Weeks of Gestation with a History

A woman at 39 weeks of gestation with a history of preeclampsia is admitted to the labor and birth unit.She suddenly experiences increased contraction frequency of every 1 to 2 minutes,dark red vaginal bleeding,and a tense,painful abdomen.The nurse suspects the onset of:

A) Eclamptic seizure
B) Rupture of the uterus
C) Placenta previa
D) Abruptio placentae