PMC139980_01
Early fill view from hysterosalpingogram obtained from our patient with severe cervical stenosis (arrow). Extensive cervical stricture prohibited passage of insemination or embryo transfer catheters; safe transcervical instrumentation was also impossible. Bilateral tubal patency was confirmed in the subsequent images.
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F1
Although the radiograph was technically difficult because of the inability to pass the catheter fully through the cervical canal, the study was able to show a pronounced filling defect near the area of the internal cervical os (Figure 1).