A woman presents to the Emergency Department crying with pain and demonstrating profuse vaginal ...

A woman presents to the Emergency Department crying with pain and demonstrating profuse vaginal bleeding.
 
  The woman points to the lower right abdominal quadrant, saying the pain came first and then the heavy bleeding began, and she has filled a peripad every 10-15 minutes for the past 90 minutes. The doctor performs a pregnancy test, which is positive, and she is determined to be approximately 6 weeks pregnant. The nurse anticipates a diagnosis of: A) ectopic pregnancy. B) abruptio placentae. C) placenta previa. D) hydatidiform mole.