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The Effect of Vitamin D on in Vitro Fertilization Outcome

NCT02361827 · Status: COMPLETED · Type: OBSERVATIONAL · Enrollment: 688

Last updated 2025-03-05

No results posted yet for this study

Summary

To date, several studies have been done to explore the relationship between Vitamin D level and IVF outcome; however, the results are controversial. Sample sizes in these studies mentioned above were relatively small. In addition, there are no prospective cohort studies in this field. Thus, here the investigators carry this prospective observational cohort study to demonstrate the relationship between vitamin D level and IVF outcome.

Conditions

  • Ongoing Pregnancy Rate
  • Vitamin D
  • In Vitro Fertilization

Interventions

PROCEDURE

Embryo transfer

For patients in each group after oocyte retrieval, they will have embryo transferred 3 or 5 days after oocyte retrieval. For FET cycles, they will have ET with an euploid blastocyst.

Sponsors & Collaborators

  • Luoyang maternal and child hospital

    collaborator UNKNOWN

  • The First Affiliated Hospital of Zhengzhou University

    lead OTHER

Principal Investigators

  • Zhiqin Bu, MD, PhD · Reproductive Medical Center, First Affiliated Hospital of Zhengzhou University

Eligibility

Min Age
21 Years
Max Age
40 Years
Sex
FEMALE
Healthy Volunteers
No

Timeline & Regulatory

Start
2018-01-01
Primary Completion
2022-09-01
Completion
2024-12-01

Countries

  • China

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT02361827 on ClinicalTrials.gov