# Cervical Stiffness Measurement in Cervical Insufficiency

> **NCT04158401** · — · COMPLETED · sponsor: **Tufts Medical Center** · enrollment: 136 (actual)

## Conditions studied

- Pregnancy Related
- Cervical Insufficiency
- Preterm Birth

## Interventions

- **DEVICE:** Pregnolia

## Key facts

- **NCT ID:** NCT04158401
- **Lead sponsor:** Tufts Medical Center
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2020-01-15
- **Primary completion:** 2022-06-15
- **Final completion:** 2022-06-15
- **Target enrollment:** 136 (ACTUAL)
- **Last updated:** 2022-09-21

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04158401

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04158401, "Cervical Stiffness Measurement in Cervical Insufficiency". Retrieved via AI Analytics 2026-05-29 from https://api.ai-analytics.org/clinical/NCT04158401. Licensed CC0.

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