# A Diagnostic Test Study of Characteristic Sound Waves in Radial Artery of Early Pregnant Women

> **NCT04717661** · — · UNKNOWN · sponsor: **Qianfoshan Hospital** · enrollment: 152 (estimated)

## Conditions studied

- Early Pregnancy
- Radial Artery

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT04717661
- **Lead sponsor:** Qianfoshan Hospital
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2021-01-01
- **Primary completion:** 2022-03-01
- **Final completion:** 2022-03-01
- **Target enrollment:** 152 (ESTIMATED)
- **Last updated:** 2021-04-30


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04717661

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04717661, "A Diagnostic Test Study of Characteristic Sound Waves in Radial Artery of Early Pregnant Women". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT04717661. Licensed CC0.

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