string: Because it is often quoted that in the setting of an ndeterminate ultrasonography, finding a serum -hCG level reater than the discriminatory zone is associated with ectopic regnancy, we calculated test characteristics for indeterminate edside pelvic ultrasonography.(8,9) Table 3 shows the diagnostic est performance using a -hCG cutoff of 3,000 mIU/mL for he diagnosis of ectopic pregnancy in the subset of patients who id not have an intrauterine pregnancy identified by bedside elvic ultrasonography.