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Related Experiment Video

Updated: Jul 14, 2026

Establishment of a Rat Model for Intrauterine Adhesions via Dual Injury: Curettage and Infection

Establishment of a Rat Model for Intrauterine Adhesions via Dual Injury: Curettage and Infection

Published on: October 3, 2025

Contraindications to IUD and IUS use.

Anita L Nelson¹

¹Harbor-UCLA Medical Center, Box 474, Torrance, CA 90509-2910, USA. anitanelsonwhc@earthlink.net

|May 29, 2007

Summary

Overly restrictive contraindications limit access to intrauterine devices (IUDs) and intrauterine systems (IUS). Revising contraindications based on scientific evidence can expand eligibility for this effective contraception method.

Area of Science:

Reproductive Health
Contraception
Gynecology

Background:

Intrauterine devices (IUDs) and intrauterine systems (IUS) are highly effective reversible contraception methods.
Current contraindications for IUD/IUS use are sometimes overly restrictive, limiting access for eligible women.
Scientific evidence supports a re-evaluation of existing contraindications.

Purpose of the Study:

To critically review and refine the contraindications for IUD/IUS use.
To identify conditions where the risks of IUD/IUS use outweigh the risks of pregnancy.
To promote evidence-based guidelines for IUD/IUS eligibility.

Main Methods:

Analysis of existing product labeling, specialty group guidelines, and peer-reviewed literature.
Application of a risk-benefit framework comparing IUD/IUS use versus pregnancy risk for various conditions.

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Last Updated: Jul 14, 2026

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Identification of conditions that represent true contraindications based on scientific evidence.

Main Results:

The list of contraindications for IUD/IUS use can be significantly reduced.
True contraindications include pregnancy, active uterine infection, uterine/cervical malignancy, inability to place/retain the device, unexplained abnormal bleeding, and adverse reactions.
Many previously listed contraindications are not supported by current scientific evidence.

Conclusions:

A revised, evidence-based list of contraindications can expand access to IUDs/IUS.
Healthcare providers should rely on scientific evidence rather than overly restrictive guidelines.
Expanding access to IUDs/IUS supports informed reproductive health choices.