# Vitamin D Supplementation and Pregnancy Outcomes

> **NCT03308487** · NA · COMPLETED · sponsor: **Tirang R. Neyestani, Ph.D.** · enrollment: 84 (actual)

## Conditions studied

- Maternal Vitamin D Status

## Interventions

- **DIETARY_SUPPLEMENT:** vitamin D3 (1000 IU)
- **DIETARY_SUPPLEMENT:** Vitamin D3 (2000 IU)

## Key facts

- **NCT ID:** NCT03308487
- **Lead sponsor:** Tirang R. Neyestani, Ph.D.
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2017-01
- **Primary completion:** 2018-01
- **Final completion:** 2018-09
- **Target enrollment:** 84 (ACTUAL)
- **Last updated:** 2019-02-25

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03308487

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03308487, "Vitamin D Supplementation and Pregnancy Outcomes". Retrieved via AI Analytics 2026-05-26 from https://api.ai-analytics.org/clinical/NCT03308487. Licensed CC0.

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