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Performance of copper intrauterine devices when inserted after an expulsion
L Bahamondes1, J Díaz, N M Marchi
1Centro de Pesquisas das Doenças Materno-Infantis de Campinas (CEMICAMP), Campinas, Sao Pablo, Brazil.
Human Reproduction (Oxford, England)
|November 1, 1995
Summary
Women re-inserting an intrauterine device (IUD) after expulsion face a significantly higher risk of a second expulsion. This risk is even greater if the first IUD was expelled early in use.
Area of Science:
- Reproductive Health
- Contraception
- Medical Device Efficacy
Background:
- Intrauterine devices (IUDs) are common reversible contraceptives.
- IUD expulsion can occur, necessitating device re-insertion.
- Understanding re-insertion success rates is crucial for patient counseling.
Purpose of the Study:
- To evaluate the expulsion rates of re-inserted TCu-200B IUDs.
- To identify risk factors associated with IUD re-insertion failure.
Main Methods:
- A prospective follow-up study of 124 women who had a TCu-200B IUD re-inserted after a prior expulsion.
- Data collection included tracking cumulative expulsion rates over one year.
- Analysis of expulsion risk based on timing of the initial expulsion.
Main Results:
- The cumulative expulsion rate at 6 months was 21.7 per 100 women.
- The cumulative expulsion rate reached 31.4 per 100 women by the end of the first year.
- Women experiencing early expulsion (within 3 months) of the first IUD had a significantly higher risk of expelling the re-inserted IUD.
Conclusions:
- Women who expelled an IUD are at a significantly higher risk of expelling a re-inserted IUD.
- Health providers should counsel patients on the elevated risk of repeat expulsion.
- Informed decision-making regarding IUD re-insertion is essential for effective family planning.