# Clinical Cohort Study on the Endocrinology and Vaginal/Endometrial Microbiome of the Luteal Phase in Assisted Reproduction

> **NCT03507673** · — · RECRUITING · sponsor: **University of Luebeck** · enrollment: 1200 (estimated)

## Conditions studied

- Infertility

## Interventions

- **DIAGNOSTIC_TEST:** Blood samples and microbiological swaps

## Key facts

- **NCT ID:** NCT03507673
- **Lead sponsor:** University of Luebeck
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** RECRUITING
- **Start date:** 2018-05-02
- **Primary completion:** 2027-08-31
- **Final completion:** 2028-06-30
- **Target enrollment:** 1200 (ESTIMATED)
- **Last updated:** 2025-05-22


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03507673

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03507673, "Clinical Cohort Study on the Endocrinology and Vaginal/Endometrial Microbiome of the Luteal Phase in Assisted Reproduction". Retrieved via AI Analytics 2026-05-25 from https://api.ai-analytics.org/clinical/NCT03507673. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*