It should be performed when it is likely to yield information about amenorrhea, abnormal bleeding, vaginitis, pelvic pain, an STD, a pelvic mass, or other conditions.

• 当有无月经症、异常出血、阴道炎、骨盆疼痛、STD、骨盆腔肿块、或是其他状况下才进行这项检查。