# Effect of Vitamin D Supplementation in Live Birth Rate of in Vitro Fertilization Outcome

> **NCT04547530** · PHASE4 · UNKNOWN · sponsor: **The University of Hong Kong** · enrollment: 1150 (estimated)

## Conditions studied

- Infertility

## Interventions

- **DIETARY_SUPPLEMENT:** Vitamin D
- **DIETARY_SUPPLEMENT:** Placebo

## Key facts

- **NCT ID:** NCT04547530
- **Lead sponsor:** The University of Hong Kong
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2021-02-11
- **Primary completion:** 2023-12-31
- **Final completion:** 2024-12-31
- **Target enrollment:** 1150 (ESTIMATED)
- **Last updated:** 2022-12-05

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04547530

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04547530, "Effect of Vitamin D Supplementation in Live Birth Rate of in Vitro Fertilization Outcome". Retrieved via AI Analytics 2026-05-25 from https://api.ai-analytics.org/clinical/NCT04547530. Licensed CC0.

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