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IUS and IUD (Coil)IUD

Intrauterine system (IUS) - Mirena Coil

What is it?

It’s a plastic, t-shaped devise placed into the womb that releases progestogen.

How effective is it?

Over 99%

Advantages

  • You don’t have to think about it every day.
  • It is a long term method that can work for up to 5 years.
  • It can help with heavy and/or painful periods. They become lighter and less painful – sometimes they may stop altogether but this is ok and not unhealthy.
  • Your fertility returns to normal once you have it removed.

Disadvantages

  • Sometimes there can be irregular bleeding or spotting for the first 6 months of having an IUS.
  • It doesn’t protect against Sexually Transmitted Infections.

Interauterine Device (IUD) - Copper Coil

What is it?

A small plastic and copper device put into the womb.

How effective is it?

Over 99%

Advantages

  • You don’t have to think about it every day.
  • This is a long term method. It can stay in your body for 5-10 years.
  • Your fertility returns to normal after it is removed.
  • Ideal for those who can’t or don’t want to take hormones.
  • It can also be used as emergency contraception up to 5 days after having unprotected sex.

Disadvantages

  • It can often make periods longer, more painful and heavier.
  • It doesn’t protect against Sexually Transmitted Infections.