# Ultrasound Evaluation of Labor Epidural

> **NCT04056403** · — · UNKNOWN · sponsor: **National Taiwan University Hospital** · enrollment: 250 (estimated)

## Conditions studied

- Parturient

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT04056403
- **Lead sponsor:** National Taiwan University Hospital
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2019-08
- **Primary completion:** 2021-05
- **Final completion:** 2021-05
- **Target enrollment:** 250 (ESTIMATED)
- **Last updated:** 2019-08-14


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04056403

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04056403, "Ultrasound Evaluation of Labor Epidural". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT04056403. Licensed CC0.

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