Study on Medical Records of Women Using an Intrauterine Device (IUD) to Analyze the Risks That the IUD Will be Expelled or Perforates the Womb in Relation to Breastfeeding, the Point in Time When the IUD Was Inserted After Childbirth and in Relation to Different Types of IUDs
Public ClinicalTrials.gov record NCT03754556. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Study on the Association of Uterine Perforation and Intrauterine Device (IUD) Expulsion With Breastfeeding Status at the Time of IUD Insertion and Postpartum Timing of IUD Insertion in Electronic Medical Record Databases - A Postmarketing Requirement for Mirena
Study identification
- NCT ID
- NCT03754556
- Recruitment status
- Completed
- Study type
- Observational
- Phase
- Not listed
- Lead sponsor
- Bayer
- Industry
- Enrollment
- 326,658 participants
Conditions and interventions
Conditions
Interventions
- Intrauterine device Device
Device
Eligibility (public fields only)
- Age range
- Up to 50 Years
- Sex
- Female
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Dec 2, 2018
- Primary completion
- Nov 28, 2019
- Completion
- Nov 28, 2019
- Last update posted
- Dec 3, 2020
2018 – 2019
United States locations
- U.S. sites
- 4
- U.S. states
- 3
- U.S. cities
- 4
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Kaiser Permanente Northern California | Oakland | California | 94612 | — |
| Kaiser Permanente Southern California | Pasadena | California | 91101 | — |
| Regenstrief Institute | Indianapolis | Indiana | 46202 | — |
| Kaiser Permanente Washington | Seattle | Washington | 98101 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT03754556, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Dec 3, 2020 · Synced Jul 21, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT03754556 live on ClinicalTrials.gov.