Massive IUD study: does new device match up?

NCT ID NCT02146950

First seen Apr 23, 2026 · Last updated May 20, 2026 · Updated 3 times

Summary

This study looks at whether a new hormonal IUD called LCS12 is as good at preventing pregnancy as the well-known Mirena IUD and copper IUDs. About 97,000 women under 40 who got a new IUD took part. Researchers tracked how often pregnancy, ectopic pregnancy, uterine injury, and pelvic infection happened with each device.

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This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Contacts and locations

Locations

  • Center for Epidemiology and Health Research Berlin

    Berlin, 10115, Germany

Conditions

Explore the condition pages connected to this study.