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Which Morning-After pill works best for heavier women? study seeks answers

NCT ID NCT03537768

Terminated Disease control Sponsor: Kimberly Myer Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study compared three emergency contraceptive pills (ulipristal acetate 30 mg, levonorgestrel 1.5 mg, and levonorgestrel 3.0 mg) in women weighing 80 kg or more who had unprotected sex within the last 72 hours. The goal was to see which pill prevents pregnancy most effectively in this group. The study was terminated early, so results are limited.

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As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

CONTRACEPTION

Contacts and locations

Locations

  • Bellevue Hospital Center

    New York, New York, 10016, United States

  • Columbia University

    New York, New York, 10032, United States

  • Eastern Virginia Medical School

    Norfolk, Virginia, 23507, United States

  • Essential Access Health

    Los Angeles, California, 30010, United States

  • Johns Hopkins Bayview Medical Center

    Baltimore, Maryland, 21224, United States

  • Oregon Health Science University

    Portland, Oregon, 97239, United States

  • Planned Parenthood League of Massachusetts

    Boston, Massachusetts, 02215, United States

  • University Hospitals of Cleveland MacDonald Women's Hospital

    Cleveland, Ohio, 44106, United States

  • University of California, Davis

    Sacramento, California, 95817, United States

  • University of California, San Francisco

    San Francisco, California, 94110, United States

  • University of Chicago

    Chicago, Illinois, 60637, United States

  • University of Cincinnati-Holmes Hospital

    Cincinnati, Ohio, 45267, United States

  • University of Colorado

    Denver, Colorado, 80045, United States

  • University of Hawaii

    Honolulu, Hawaii, 96826, United States

  • University of Pennsylvania

    Philadelphia, Pennsylvania, 19104, United States

  • University of Pittsburgh/Magee Women's Hospital

    Pittsburgh, Pennsylvania, 15213, United States

  • University of Utah

    Salt Lake City, Utah, 84106, United States

  • Women & Infants Hospital of Rhode Island

    Providence, Rhode Island, 02905, United States

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