# Vitamin D Deficiency and Pregnancy Rates in Women Undergoing Frozen Embryo Transfer

> **NCT01985672** · — · COMPLETED · sponsor: **Universitair Ziekenhuis Brussel** · enrollment: 280 (actual)

## Conditions studied

- Infertility

## Interventions

- **PROCEDURE:** Frozen embryo transfer

## Key facts

- **NCT ID:** NCT01985672
- **Lead sponsor:** Universitair Ziekenhuis Brussel
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2013-08
- **Primary completion:** 2014-06
- **Final completion:** 2015-07
- **Target enrollment:** 280 (ACTUAL)
- **Last updated:** 2015-08-06


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01985672

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01985672, "Vitamin D Deficiency and Pregnancy Rates in Women Undergoing Frozen Embryo Transfer". Retrieved via AI Analytics 2026-05-25 from https://api.ai-analytics.org/clinical/NCT01985672. Licensed CC0.

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