Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 10, 2026, 3:38 PM EDT

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Showing 1–1 of 1 matching trial from the live ClinicalTrials.gov search.
Conditions
Pregnancy
Interventions
levonorgestrel 0.75mg taken twice 12 hours apart (Plan B) and condoms
Drug
Lead sponsor
University of Washington
Other
Eligibility
16 Years to 60 Years · Female only
Enrollment
177 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
1
States / cities
Seattle, Washington