CompletedNot Applicable

The Effect of Vitamin D on in Vitro Fertilization Outcome

China688 participantsStarted 2018-01-01

Plain-language 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.

Who can participate

Age range21 Years – 40 Years

SexFEMALE

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Inclusion criteria

✓. age between 21-40 years old
✓. basal FSH hormone level less than 10 mIU/mL
✓. the first cycle of IVF treatment with standard long protocol
✓. both ovarian present and normal uterus.

Exclusion criteria

✕. Important data missing
✕. Gametes donation cycles
✕. Anyone that does not meet the inclusion criteria

What they're measuring

Ongoing pregnancy rate

Timeframe: 12 weeks after embryo transfer

Trial details

NCT IDNCT02361827

SponsorThe First Affiliated Hospital of Zhengzhou University

Sponsor typeOTHER

Study typeOBSERVATIONAL

Primary completion2022-09-01

View on ClinicalTrials.gov More Ongoing Pregnancy Rate trials