# Ulipristal Emergency Contraception Used Before or After Ovulation

> **NCT02517463** · — · COMPLETED · sponsor: **The University of Hong Kong** · enrollment: 700 (actual)

## Conditions studied

- Contraception

## Interventions

- **DRUG:** Ulipristal acetate

## Key facts

- **NCT ID:** NCT02517463
- **Lead sponsor:** The University of Hong Kong
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2011-05
- **Primary completion:** 2014-04
- **Final completion:** 2014-04
- **Target enrollment:** 700 (ACTUAL)
- **Last updated:** 2018-07-30

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT02517463

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT02517463, "Ulipristal Emergency Contraception Used Before or After Ovulation". Retrieved via AI Analytics 2026-06-01 from https://api.ai-analytics.org/clinical/NCT02517463. Licensed CC0.

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