# The Mechanism of Adverse Pregnancy Outcomes Influenced by Maternal Air Pollution Exposure

> **NCT04215406** · — · UNKNOWN · sponsor: **First Affiliated Hospital Xi'an Jiaotong University** · enrollment: 288 (estimated)

## Conditions studied

- Adverse Pregnancy Outcomes

## Interventions

- **OTHER:** The level of air pollution

## Key facts

- **NCT ID:** NCT04215406
- **Lead sponsor:** First Affiliated Hospital Xi'an Jiaotong University
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2020-01-01
- **Primary completion:** 2023-06-30
- **Final completion:** 2023-06-30
- **Target enrollment:** 288 (ESTIMATED)
- **Last updated:** 2022-04-29


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04215406

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04215406, "The Mechanism of Adverse Pregnancy Outcomes Influenced by Maternal Air Pollution Exposure". Retrieved via AI Analytics 2026-06-08 from https://api.ai-analytics.org/clinical/NCT04215406. Licensed CC0.

---

*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*
