# Study on Prevention, Treatment and Mechanism of Preterm Labor for Chinese Pregnant Women ≥35 Years Old

> **NCT03210415** · — · UNKNOWN · sponsor: **Ministry of Science and Technology of the People´s Republic of China** · enrollment: 1500 (estimated)

## Conditions studied

- Preterm Labor

## Interventions

- **OTHER:** Observational Study Model

## Key facts

- **NCT ID:** NCT03210415
- **Lead sponsor:** Ministry of Science and Technology of the People´s Republic of China
- **Sponsor class:** OTHER_GOV
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2017-08-01
- **Primary completion:** 2020-06-30
- **Final completion:** 2020-12-30
- **Target enrollment:** 1500 (ESTIMATED)
- **Last updated:** 2019-10-29

## Collaborators

- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03210415

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03210415, "Study on Prevention, Treatment and Mechanism of Preterm Labor for Chinese Pregnant Women ≥35 Years Old". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT03210415. Licensed CC0.

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