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Why copper-T are to be replaced every 3-...

Why copper-T are to be replaced every 3-5 years?

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Copper-Ts have ionised copper which slowly diffuses at the rate of 50mg/day.It has a local antifertility effect by bringing about the release of toxic cytokines. Copper-Ts are to be replaced every 3-5 years when copper release slow down due to clacium deposition.
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Knowledge Check

  • Copper-T prevents :

    A
    Ovulation
    B
    Fertilization of egg
    C
    Implantation
    D
    Both (B) and (C)

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