A 34-year-old gravida 1 para 0 presents with a complaint of abdominal pain. It is a vague, achy sort of pain that "comes and goes." She notes that her period should have come about 2 weeks earlier, but it did not. She has also noticed some irregular vaginal spotting. You perform ultrasonography (see figure).
Assuming the embryo in this picture demonstrates cardiac activity, ultrasonography shows the most specific sonographic sign of an ectopic pregnancy. If this is not seen, which of the following is the next most specific sonographic sign of ectopic pregnancy?
This question appears in Med-Challenger OBGYN Exam Review with CME
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