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Summary
Modern intrauterine devices (IUDs) are effective and well-tolerated. Studies show low expulsion, removal, and infection rates, with a small percentage of pregnancies in the first year.
Area of Science:
- Reproductive Health
- Medical Devices
- Gynecology
Background:
- Intrauterine devices (IUDs) have a long history of use, with modern versions developed in 1959.
- The intrauterine loop is a common type of modern IUD.
Purpose of the Study:
- To analyze the safety and efficacy of the intrauterine loop.
- To evaluate expulsion, removal, infection, and pregnancy rates associated with IUD use.
Main Methods:
- Analysis of data from 11,222 first insertions of intrauterine loops.
- Data collected from 43 contributing institutions by the National Committee on Maternal Health.
Main Results:
- Expulsions occurred in less than 10% of patients within the first year.
- 15% of patients had removals for medical or personal reasons.
- Pelvic infections occurred in 1.7% of patients.
- Pregnancies occurred in 2.4% of patients in the first year.
Conclusions:
- The intrauterine loop is a highly effective contraceptive method.
- Approximately 75% of patients find the device readily accepted and well-tolerated.
- Modern IUDs demonstrate a favorable safety and efficacy profile.