# Progesterone Supplementation After Letrozole-stimulated Insemination

> **NCT07508657** · PHASE4 · NOT_YET_RECRUITING · sponsor: **Kirstine Kirkegaard** · enrollment: 690 (estimated)

## Conditions studied

- Infertility

## Interventions

- **DRUG:** Progesterone

## Key facts

- **NCT ID:** NCT07508657
- **Lead sponsor:** Kirstine Kirkegaard
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** NOT_YET_RECRUITING
- **Start date:** 2026-04
- **Primary completion:** 2029-06
- **Final completion:** 2030-01
- **Target enrollment:** 690 (ESTIMATED)
- **Last updated:** 2026-04-02


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07508657

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07508657, "Progesterone Supplementation After Letrozole-stimulated Insemination". Retrieved via AI Analytics 2026-05-25 from https://api.ai-analytics.org/clinical/NCT07508657. Licensed CC0.

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