Clinical trial Recruiting at 1 site Interventional Ages 18 to 45 Women only

Examining how menstrual cups may affect IUD displacement

Official title: Pilot Study of Suction as a Mechanism of IUD Expulsion With Concomitant Menstrual Cup Use

Run by University of Colorado, Denver · NCT05254041 · Data updated 2026-11-12

This study is testing if using menstrual cups can cause IUDs to move out of place in women who use both.

Quick facts

Study typeInterventional
Ages18 Years to 45 Years
SexWomen only
Enrollment80 (estimated)
SponsorUniversity of Colorado, Denver
Academic / other
Locations1 site (Denver, Colorado)
StatusRecruiting
StartedFebruary 20, 2022
Main results expectedDecember 30, 2026
Study endsDecember 31, 2026
Registry record updatedFebruary 12, 2026
Trial IDNCT05254041 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates for this study are females aged 18-45 who currently have an FDA-approved IUD and are seeking IUD removal.

Probably not a fit

Patients with known sensitivities to silicone, active vaginal infections, or those who are pregnant will not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This pilot study investigates the potential impact of using menstrual cups on the displacement of intrauterine devices (IUDs). The researchers hypothesize that the suction created during the insertion and removal of menstrual cups may lead to a 15% rate of IUD expulsion. By analyzing data on IUD displacement and menstrual cup use, the study aims to identify variables associated with this phenomenon. The findings could help healthcare providers offer better guidance to patients regarding the safe use of menstrual cups alongside IUDs.

Why it matters

Potential benefit: If successful, this study could lead to improved counseling for patients using IUDs and menstrual cups, potentially reducing the risk of unintended pregnancies.

How similar studies have gone: While limited data exists on this specific interaction, the study addresses a novel area of inquiry regarding IUD displacement and menstrual cup use.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Female
* Between the ages of 18-45
* Currently has an FDA approved IUD
* Present to CWHC for IUD removal

Exclusion Criteria:

* Known sensitivity or allergy to silicone
* known active vaginal infection (yeast, bacterial vaginosis, untreated sexually transmitted infection)
* IUD strings not visible
* Positive pregnancy test

Where it's running

  • Comprehensive Women's Health Center
    Denver, Colorado, United States
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.