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Study Objective: We recorded data on the routine use of point-of-care transvaginal ultrasound (POC TVUS) for the evaluation of non-pregnant women with pelvic complaints in the Emergency Department (ED), and sought to determine how it altered the diagnostic impression and management., Methods: This was a prospective observational study. Adult non-pregnant women with pelvic complaints undergoing POC TVUS were enrolled. Pre and post ultrasound, the treating physician completed a data collection form indicating the most likely cause of the patient's pain, current treatment plan, and expected ultrasound findings. Immediately after the ultrasound, the treating physician completed another form to indicate details about the sonographic process and findings, and whether a radiologyperformed TVUS was planned., Results: Of 113 women enrolled, 79% had both ovaries visualized and the POC TVUS led to changes in plan in 43% of patients, including 3 emergent/urgent interventions; 48% of patients had unexpected findings. Of the 25% who had an additional radiology exam, there were no instances of discordant findings when both ovaries were assessed to be normal on ED Ultrasound. The ultrasound added <10 minutes in 92% of patients. With an ED ultrasound only (n = 85), the median length of stay (LOS) was 282 (IQR 197-323) minutes, compared to 437 (IQR 367-500) minutes when a radiology ultrasound was required (n = 28) (median difference,170 minutes [95% CI 122-212 min])., Conclusion: In this study, emergency physicians were able to efficiently obtain and interpret POC TVUS images that changed assessment of non-pregnant women with pelvic pain without significantly increasing the ED length of stay., Competing Interests: Declaration of Competing Interest None., (Copyright © 2020 Elsevier Inc. All rights reserved.)