# Diagnosis of Obstetric Anal Sphincter Injuries (OASIs) Using Transperineal Ultrasound Scan (TPUS)

> **NCT03912142** · — · COMPLETED · sponsor: **Lewisham and Greenwich NHS Trust** · enrollment: 264 (actual)

## Conditions studied

- Obstetric Anal Sphincter Injury

## Interventions

- **DIAGNOSTIC_TEST:** three dimensional Transperineal Ultrasound Scan

## Key facts

- **NCT ID:** NCT03912142
- **Lead sponsor:** Lewisham and Greenwich NHS Trust
- **Sponsor class:** OTHER_GOV
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2017-02-27
- **Primary completion:** 2018-06-29
- **Final completion:** 2018-07-30
- **Target enrollment:** 264 (ACTUAL)
- **Last updated:** 2019-11-19


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03912142

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03912142, "Diagnosis of Obstetric Anal Sphincter Injuries (OASIs) Using Transperineal Ultrasound Scan (TPUS)". Retrieved via AI Analytics 2026-07-18 from https://api.ai-analytics.org/clinical/NCT03912142. Licensed CC0.

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