The purpose of this study was to investigate the clinical value of the fluid bolus contrast flow meter during hysterosalpingography. Hysterosalpingography information of 342 cases, which included a manual handset group of 213 cases and a bolus instrument group of 129 cases were reviewed. Comparative analysis was used to compare the two groups in order to assess the clinical adverse reactions, contrast agent reflux, and image quality. In the instrument bolus group compared with the manual handset group, the clinical adverse reactions decreased from 75.12 to 31.78% (P
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