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Related Experiment Videos

One year's experience with the Ypsilon-Y IUD.

I Batár, M N Thomas

    International Journal of Gynaecology and Obstetrics: the Official Organ of the International Federation of Gynaecology and Obstetrics
    |January 1, 1978
    PubMed
    Summary

    The Ypsilon-Y intrauterine device (IUD) showed similar pregnancy and expulsion rates to the Lippes Loop D, but with significantly fewer complaints of bleeding and pain, suggesting a potentially better uterine fit.

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    Area of Science:

    • Reproductive Health
    • Medical Devices
    • Gynecology

    Background:

    • Intrauterine devices (IUDs) are a common form of reversible contraception.
    • Assessing the safety and efficacy of new IUD designs is crucial for family planning.
    • The Ypsilon-Y IUD was a novel device introduced in the 1970s.

    Purpose of the Study:

    • To compare the performance of the Ypsilon-Y IUD against the established Lippes Loop D.
    • To evaluate pregnancy, expulsion, and medical removal rates.
    • To assess patient-reported side effects such as bleeding, pain, and dysmenorrhea.

    Main Methods:

    • A randomized controlled trial involving 600 first-time IUD users.
    • 300 participants received the Ypsilon-Y IUD, and 300 received the Lippes Loop D.
    • Follow-up and data collection occurred over a one-year period.

    Main Results:

    • Pregnancy rates were 3.9% for Ypsilon-Y and 2.8% for Lippes Loop D (not statistically significant).
    • Expulsion rates were 10.4% for Ypsilon-Y and 5.7% for Lippes Loop D (not statistically significant).
    • Medical removal rates were similar (7.8% for both). Ypsilon-Y users reported significantly fewer complaints of bleeding and pain.

    Conclusions:

    • The Ypsilon-Y IUD demonstrated comparable efficacy to the Lippes Loop D in terms of pregnancy and expulsion.
    • The Ypsilon-Y IUD offered a significant advantage in patient comfort, with fewer reported side effects.
    • The Ypsilon-Y's shape may be better suited for the uterine cavity, potentially improving user experience.

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