# PCOS Twin Study - Environmental Factors in the Development of Polycystic Ovary Syndrome, Phase 2

> **NCT00444288** · — · COMPLETED · sponsor: **National Institute of Environmental Health Sciences (NIEHS)**

## Conditions studied

- Polycystic Ovary Syndrome

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT00444288
- **Lead sponsor:** National Institute of Environmental Health Sciences (NIEHS)
- **Sponsor class:** NIH
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2007-02-27
- **Primary completion:** —
- **Final completion:** 2010-03-01
- **Target enrollment:** — (—)
- **Last updated:** 2017-07-02


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00444288

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00444288, "PCOS Twin Study - Environmental Factors in the Development of Polycystic Ovary Syndrome, Phase 2". Retrieved via AI Analytics 2026-06-03 from https://api.ai-analytics.org/clinical/NCT00444288. Licensed CC0.

---

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